Document:

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                                                                    Exhibit 10.1

                            LIMELIGHT NETWORKS, INC.

                            INDEMNIFICATION AGREEMENT

     THIS AGREEMENT is entered into, effective as of __________, 2007 by and
between Limelight Networks, Inc., a Delaware corporation (the "Company"), and
__________ ("Indemnitee"), effective as of the date that the Registration
Statement on Form S-1 related to the initial public offering of the Company's
Common Stock is declared effective by the United States Securities and Exchange
Commission.

     WHEREAS, it is essential to the Company to retain and attract as directors
and officers the most capable persons available;

     WHEREAS, Indemnitee is a director and/or officer of the Company;

     WHEREAS, both the Company and Indemnitee recognize the increased risk of
litigation and other claims currently being asserted against directors and
officers of corporations;

     WHEREAS, the Amended and Restated Certificate of Incorporation (the
"Certificate of Incorporation") and Amended and Restated Bylaws (the "Bylaws")
of the Company require the Company to indemnify and advance expenses to its
directors and officers to the fullest extent permitted under Delaware law, and
the Indemnitee has been serving and continues to serve as a director and/or
officer of the Company in part in reliance on the Company's Certificate of
Incorporation and Bylaws; and

     WHEREAS, in recognition of Indemnitee's need for (i) substantial protection
against personal liability based on Indemnitee's reliance on the aforesaid
Certificate of Incorporation and Bylaws, (ii) specific contractual assurance
that the protection promised by the Certificate of Incorporation and Bylaws will
be available to Indemnitee (regardless of, among other things, any amendment to
or revocation of the Certificate of Incorporation and Bylaws or any change in
the composition of the Company's Board of Directors or acquisition transaction
relating to the Company) and (iii) an inducement to provide effective services
to the Company as a director and/or officer, the Company wishes to provide in
this Agreement for the indemnification of and the advancing of expenses to
Indemnitee to the fullest extent (whether partial or complete) permitted under
Delaware law and as set forth in this Agreement, and, to the extent insurance is
maintained, to provide for the continued coverage of Indemnitee under the
Company's directors' and officers' liability insurance policies.

     NOW, THEREFORE, in consideration of the above premises and of Indemnitee
continuing to serve the Company directly or, at its request, with another
enterprise, and intending to be legally bound hereby, the parties agree as
follows:

          1. Certain Definitions:

               (a) "Affiliate" shall mean any corporation or other person or
entity that directly, or indirectly through one or more intermediaries, controls
or is controlled by or is under

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common control with, the person specified, including, without limitation, with
respect to the Company, any direct or indirect subsidiary of the Company.

               (b) "Board" shall mean the Board of Directors of the Company.

               (c) A "Change in Control" shall be deemed to have occurred if (i)
any "person" (as such term is used in Sections 13(d) and 14(d) of the Securities
Exchange Act of 1934, as amended (the "Exchange Act")) (other than a trustee or
other fiduciary holding securities under an employee benefit plan of the Company
or a corporation owned directly or indirectly by the stockholders of the Company
in substantially the same proportions as their ownership of stock of the
Company, and other than any person holding shares of the Company on the date
that the Company first registers under the Securities Act of 1933, as amended,
or any transferee of such individual if such transferee is a spouse or lineal
descendant of the transferee or a trust for the benefit of the individual, his
or her spouse or lineal descendants), is or becomes the "beneficial owner" (as
defined in Rule 13d-3 under the Exchange Act), directly or indirectly, of
securities of the Company representing 50% or more of the total voting power
represented by the Company's then outstanding Voting Securities, (ii) during any
period of two consecutive years, individuals who at the beginning of such period
constitute the Board and any new director whose election by the Board or
nomination for election by the Company's stockholders was approved by a vote of
at least two-thirds (2/3) of the directors then still in office who either were
directors at the beginning of the period or whose election or nomination for
election was previously so approved, cease for any reason to constitute a
majority of the Board, (iii) the stockholders of the Company approve a merger or
consolidation of the Company with any other entity, other than a merger or
consolidation that would result in the Voting Securities of the Company
outstanding immediately prior thereto continuing to represent (either by
remaining outstanding or by being converted into Voting Securities of the
surviving entity) at least 80% of the total voting power represented by the
Voting Securities of the Company or such surviving entity outstanding
immediately after such merger or consolidation or (iv) the stockholders of the
Company approve a plan of complete liquidation of the Company or an agreement
for the sale or disposition by the Company (in one transaction or a series of
transactions) of all or substantially all of the Company's assets.

               (d) "Expenses" shall mean any expense, liability or loss,
including attorneys' fees, judgments, fines, ERISA excise taxes and penalties,
amounts paid or to be paid in settlement, any interest, assessments or other
charges imposed thereon, any federal, state, local or foreign taxes imposed as a
result of the actual or deemed receipt of any payments under this Agreement and
all other costs and obligations, paid or incurred in connection with
investigating, defending, being a witness in, participating in (including on
appeal) or preparing for any of the foregoing in, any Proceeding relating to any
Indemnifiable Event.

               (e) "Indemnifiable Event" shall mean any event or occurrence that
takes place either prior to or after the execution of this Agreement, related to
the fact that Indemnitee is or was a director or officer of the Company or an
Affiliate of the Company, or while a director or officer is or was serving at
the request of the Company or an Affiliate of the Company as a director,
officer, employee, trustee, agent or fiduciary of another foreign or domestic
corporation, partnership, joint venture, employee benefit plan, trust or other
enterprise or was a director, officer, employee or agent of a foreign or
domestic corporation that was a predecessor corporation of the Company or of

                                       -2-

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another enterprise at the request of such predecessor corporation, or related to
anything done or not done by Indemnitee in any such capacity, whether or not the
basis of the Proceeding is alleged action in an official capacity as a director,
officer, employee or agent or in any other capacity while serving as a director,
officer, employee or agent of the Company or an Affiliate of the Company, as
described above.

               (f) "Independent Counsel" shall mean the person or body appointed
in connection with Section 3.

               (g) "Proceeding" shall mean any threatened, pending or completed
action, suit or proceeding or any alternative dispute resolution mechanism
(including an action by or in the right of the Company or an Affiliate of the
Company) or any inquiry, hearing or investigation, whether conducted by the
Company or an Affiliate of the Company or any other party, that Indemnitee in
good faith believes might lead to the institution of any such action, suit or
proceeding, whether civil, criminal, administrative, investigative or other.

               (h) "Reviewing Party" shall mean the person or body appointed in
accordance with Section 3.

               (i) "Voting Securities" shall mean any securities of the Company
that vote generally in the election of directors.

          2. Agreement to Indemnify.

               (a) General Agreement. In the event Indemnitee was, is or becomes
a party to or witness or other participant in, or is threatened to be made a
party to or witness or other participant in, a Proceeding by reason of (or
arising in part out of) an Indemnifiable Event, the Company shall indemnify
Indemnitee from and against any and all Expenses to the fullest extent permitted
by law, as the same exists or may hereafter be amended or interpreted (but in
the case of any such amendment or interpretation, only to the extent that such
amendment or interpretation permits the Company to provide broader
indemnification rights than were permitted prior thereto). The parties hereto
intend that this Agreement shall provide for indemnification in excess of that
expressly permitted by statute, including, without limitation, any
indemnification provided by the Company's Certificate of Incorporation, its
Bylaws, vote of its stockholders or disinterested directors or applicable law.

               (b) Initiation of Proceeding. Notwithstanding anything in this
Agreement to the contrary, Indemnitee shall not be entitled to indemnification
pursuant to this Agreement in connection with any Proceeding initiated by
Indemnitee against the Company or any director or officer of the Company unless
(i) the Company has joined in or the Board has consented to the initiation of
such Proceeding, (ii) the Proceeding is one to enforce indemnification rights
under Section 5 or (iii) the Proceeding is instituted after a Change in Control
(other than a Change in Control approved by a majority of the directors on the
Board who were directors immediately prior to such Change in Control) and
Independent Counsel has approved its initiation.

                                       -3-

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               (c) Expense Advances. If so requested by Indemnitee, the Company
shall advance (within thirty (30) days of such request) any and all Expenses to
Indemnitee (an "Expense Advance"). The Indemnitee shall qualify for such Expense
Advances upon the execution and delivery to the Company of this Agreement which
shall constitute an undertaking providing that the Indemnitee undertakes to
repay such Expense Advances if and to the extent that it is ultimately
determined by a court of competent jurisdiction in a final judgment, not subject
to appeal, that Indemnitee is not entitled to be indemnified by the Company.
Indemnitee's obligation to reimburse the Company for Expense Advances shall be
unsecured and no interest shall be charged thereon. This Section 2(c) shall not
apply to any claim made by Indemnitee for which indemnity is excluded pursuant
to Section 2(b) or 2(f).

               (d) Mandatory Indemnification. Notwithstanding any other
provision of this Agreement, to the extent that Indemnitee has been successful
on the merits or otherwise in defense of any Proceeding relating in whole or in
part to an Indemnifiable Event or in defense of any issue or matter therein,
Indemnitee shall be indemnified against all Expenses incurred in connection
therewith.

               (e) Partial Indemnification. If Indemnitee is entitled under any
provision of this Agreement to indemnification by the Company for some or a
portion of Expenses, but not, however, for the total amount thereof, the Company
shall nevertheless indemnify Indemnitee for the portion thereof to which
Indemnitee is entitled.

               (f) Prohibited Indemnification. No indemnification pursuant to
this Agreement shall be paid by the Company on account of any Proceeding in
which a final judgment is rendered against Indemnitee or Indemnitee enters into
a settlement, in each case (i) for an accounting of profits made from the
purchase or sale by Indemnitee of securities of the Company pursuant to the
provisions of Section 16(b) of the Exchange Act or similar provisions of any
federal, state or local laws; (ii) for which payment has actually been made to
or on behalf of Indemnitee under any insurance policy or other indemnity
provision, except with respect to any excess beyond the amount paid under any
insurance policy or other indemnity provision; or (iii) for which payment is
prohibited by law. Notwithstanding anything to the contrary stated or implied in
this Section 2(f), indemnification pursuant to this Agreement relating to any
Proceeding against Indemnitee for an accounting of profits made from the
purchase or sale by Indemnitee of securities of the Company pursuant to the
provisions of Section 16(b) of the Exchange Act or similar provisions of any
federal, state or local laws shall not be prohibited if Indemnitee ultimately
establishes in any Proceeding that no recovery of such profits from Indemnitee
is permitted under Section 16(b) of the Exchange Act or similar provisions of
any federal, state or local laws.

          3. Reviewing Party. Prior to any Change in Control, the Reviewing
Party shall be any appropriate person or body consisting of a member or members
of the Board or any other person or body appointed by the Board who is not a
party to the particular Proceeding with respect to which Indemnitee is seeking
indemnification; provided that if all members of the Board are parties to the
particular Proceeding with respect to which Indemnitee is seeking
indemnification, the Independent Counsel referred to below shall become the
Reviewing Party; after a Change in Control, the Independent Counsel referred to
below shall become the Reviewing Party. With respect to all matters arising
before a Change in Control for which Independent Counsel shall be the Reviewing

                                       -4-

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Party and all matters arising after a Change in Control, in each case concerning
the rights of Indemnitee to indemnity payments and Expense Advances under this
Agreement or any other agreement or under applicable law or the Company's
Certificate of Incorporation or Bylaws now or hereafter in effect relating to
indemnification for Indemnifiable Events, the Company shall seek legal advice
only from Independent Counsel selected by Indemnitee and approved by the Company
(which approval shall not be unreasonably withheld or delayed), and who has not
otherwise performed services for the Company or the Indemnitee (other than in
connection with indemnification matters) within the last five years. The
Independent Counsel shall not include any person who, under the applicable
standards of professional conduct then prevailing, would have a conflict of
interest in representing either the Company or Indemnitee in an action to
determine Indemnitee's rights under this Agreement. Such counsel, among other
things, shall render its written opinion to the Company and Indemnitee as to
whether and to what extent the Indemnitee should be permitted to be indemnified
under applicable law. The Company agrees to pay the reasonable fees of the
Independent Counsel and to indemnify fully such counsel against any and all
expenses (including attorneys' fees), claims, liabilities, loss and damages
arising out of or relating to this Agreement or the engagement of Independent
Counsel pursuant hereto.

          4. Indemnification Process and Appeal.

               (a) Indemnification Payment. Indemnitee shall be entitled to
indemnification of Expenses, and shall receive payment thereof, from the Company
in accordance with this Agreement as soon as practicable after Indemnitee has
made written demand on the Company for indemnification, but in no event later
than thirty (30) business days after such demand, unless the Reviewing Party has
given a written opinion to the Company that Indemnitee is not entitled to
indemnification under applicable law. Indemnitee shall cooperate with the
Reviewing Party making a determination with respect to Indemnitee's entitlement
to indemnification, including providing to the Reviewing Party upon reasonable
advance request any documentation or information which is not privileged or
otherwise protected from disclosure and which is reasonably available to
Indemnitee and reasonably necessary to such determination.

               (b) Suit to Enforce Rights. Regardless of any action by the
Reviewing Party, if Indemnitee has not received full indemnification within
thirty (30) days after making a demand in accordance with Section 4(a),
Indemnitee shall have the right to enforce its indemnification rights under this
Agreement by commencing litigation in any court in the State of Arizona or the
State of Delaware having subject matter jurisdiction thereof seeking an initial
determination by the court or challenging any determination by the Reviewing
Party or any aspect thereof. The Company hereby consents to service of process
and to appear in any such proceeding. Any determination by the Reviewing Party
not challenged by the Indemnitee shall be binding on the Company and Indemnitee.
The Company shall be precluded from asserting in any such proceeding that the
procedures and presumptions of this Agreement are not valid, binding and
enforceable and shall stipulate in any such court that the Company is bound by
all the provisions of this Agreement. The remedy provided for in this Section 4
shall be in addition to any other remedies available to Indemnitee at law or in
equity.

               (c) Defense to Indemnification, Burden of Proof, and
Presumptions. It shall be a defense to any action brought by Indemnitee against
the Company to enforce this

                                       -5-

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Agreement (other than an action brought to enforce a claim for Expenses incurred
in defending a Proceeding in advance of its final disposition) that it is not
permissible under applicable law for the Company to indemnify Indemnitee for the
amount claimed. In connection with any such action or any determination by the
Reviewing Party or otherwise as to whether Indemnitee is entitled to be
indemnified hereunder, the burden of proving such a defense or determination
shall be on the Company. Neither the failure of the Reviewing Party or the
Company (including its Board, independent legal counsel or its stockholders) to
have made a determination prior to the commencement of such action by Indemnitee
that indemnification of the claimant is proper under the circumstances because
Indemnitee has met the standard of conduct set forth in applicable law, nor an
actual determination by the Reviewing Party or Company (including its Board,
independent legal counsel or its stockholders) that the Indemnitee had not met
such applicable standard of conduct, shall be a defense to the action or create
a presumption that the Indemnitee has not met the applicable standard of
conduct. For purposes of this Agreement, the termination of any claim, action,
suit or proceeding, by judgment, order, settlement (whether with or without
court approval), conviction or upon a plea of nolo contendere or its equivalent,
shall not create a presumption that Indemnitee did not meet any particular
standard of conduct or have any particular belief or that a court has determined
that indemnification is not permitted by applicable law. For purposes of any
determination of good faith under any applicable standard of conduct, Indemnitee
shall be deemed to have acted in good faith if Indemnitee's action is based on
the records or books of account of the Company, including financial statements,
or on information supplied to Indemnitee by the officers of the Company in the
course of their duties, or on the advice of legal counsel for the Company or the
Board or counsel selected by any committee of the Board or on information or
records given or reports made to the Company by an independent certified public
accountant or by an appraiser, investment banker or other expert selected with
reasonable care by the Company or the Board or any committee of the Board. The
provisions of the preceding sentence shall not be deemed to be exclusive or to
limit in any way the other circumstances in which the Indemnitee may be deemed
to have met the applicable standard of conduct. The knowledge and/or actions, or
failure to act, or any director, officer, agent or employee of the Company shall
not be imputed to Indemnitee for purposes of determining the right to
indemnification under this Agreement.

          5. Indemnification for Expenses Incurred in Enforcing Rights. The
Company shall indemnify Indemnitee against any and all Expenses that are
incurred by Indemnitee in connection with any action brought by Indemnitee for:

                    (i) indemnification or advance payment of Expenses by the
Company under this Agreement or any other agreement or under applicable law or
the Company's Certificate of Incorporation or Bylaws now or hereafter in effect
relating to indemnification for Indemnifiable Events, and/or;

                    (ii) recovery under directors' and officers' liability
insurance policies maintained by the Company; but only in the event that
Indemnitee ultimately is determined to be entitled to such indemnification or
insurance recovery, as the case may be. In addition, the Company shall, if so
requested by Indemnitee, advance the foregoing Expenses to Indemnitee, subject
to and in accordance with Section 2(c).

          6. Notification and Defense of Proceeding.

                                       -6-

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               (a) Notice. Promptly after receipt by Indemnitee of notice of the
commencement of any Proceeding, Indemnitee shall, if a claim in respect thereof
is to be made against the Company under this Agreement, notify the Company of
the commencement thereof; but the omission so to notify the Company will not
relieve the Company from any liability that it may have to Indemnitee, except as
provided in Section 6(c).

               (b) Defense. With respect to any Proceeding as to which
Indemnitee notifies the Company of the commencement thereof, the Company will be
entitled to participate in the Proceeding at its own expense and except as
otherwise provided below, to the extent the Company so wishes, it may assume the
defense thereof with counsel reasonably satisfactory to Indemnitee. After notice
from the Company to Indemnitee of its election to assume the defense of any
Proceeding, the Company shall not be liable to Indemnitee under this Agreement
or otherwise for any Expenses subsequently incurred by Indemnitee in connection
with the defense of such Proceeding other than reasonable costs of investigation
or as otherwise provided below. Indemnitee shall have the right to employ legal
counsel in such Proceeding, but all Expenses related thereto incurred after
notice from the Company of its assumption of the defense shall be at
Indemnitee's expense unless: (i) the employment of legal counsel by Indemnitee
has been authorized by the Company, (ii) Indemnitee has reasonably determined
that there may be a conflict of interest between Indemnitee and the Company in
the defense of the Proceeding, (iii) after a Change in Control, the employment
of counsel by Indemnitee has been approved by the Independent Counsel or (iv)
the Company shall not in fact have employed counsel to assume the defense of
such Proceeding, in each of which cases all Expenses of the Proceeding shall be
borne by the Company. The Company shall not be entitled to assume the defense of
any Proceeding brought by or on behalf of the Company, or as to which Indemnitee
shall have made the determination provided for in (ii) above or under the
circumstances provided for in (iii) and (iv) above.

               (c) Settlement of Claims. The Company shall not be liable to
indemnify Indemnitee under this Agreement or otherwise for any amounts paid in
settlement of any Proceeding effected without the Company's written consent,
such consent not to be unreasonably withheld; provided, however, that if a
Change in Control has occurred, the Company shall be liable for indemnification
of Indemnitee for amounts paid in settlement if the Independent Counsel has
approved the settlement. The Company shall not settle any Proceeding in any
manner that would impose any penalty or limitation on Indemnitee without
Indemnitee's written consent. The Company shall not be liable to indemnify the
Indemnitee under this Agreement with regard to any judicial award if the Company
was not given a reasonable and timely opportunity as a result of Indemnitees'
failure to provide notice, at its expense, to participate in the defense of such
action, and the lack of such notice materially prejudiced the Company's ability
to participate in defense of such action. The Company's liability hereunder
shall not be excused if participation in the Proceeding by the Company was
barred by this Agreement.

          7. Non-Exclusivity. The rights of Indemnitee hereunder shall be in
addition to any other rights Indemnitee may have under the Company's Certificate
of Incorporation, Bylaws, applicable law or otherwise; provided, however, that
this Agreement shall supersede any prior indemnification agreement between the
Company and the Indemnitee. To the extent that a change in applicable law
(whether by statute or judicial decision) permits greater indemnification than
would be afforded currently under the Company's Certificate of Incorporation,
Bylaws, applicable law or

                                       -7-

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this Agreement, it is the intent of the parties that Indemnitee enjoy by this
Agreement the greater benefits so afforded by such change.

          8. Liability Insurance. To the extent the Company maintains an
insurance policy or policies providing general and/or directors' and officers'
liability insurance, Indemnitee shall be covered by such policy or policies, in
accordance with its or their terms, to the maximum extent of the coverage
available for any Company director or officer.

          9. Period of Limitations. No legal action shall be brought and no
cause of action shall be asserted by or on behalf of the Company or any
Affiliate of the Company against Indemnitee, Indemnitee's spouse, heirs,
executors or personal or legal representatives after the expiration of two (2)
years from the date of accrual of such cause of action or such longer period as
may be required by state law under the circumstances. Any claim or cause of
action of the Company or its Affiliate shall be extinguished and deemed released
unless asserted by the timely filing and notice of a legal action within such
period; provided, however, that if any shorter period of limitations is
otherwise applicable to any such cause of action, the shorter period shall
govern.

          10. Amendment of this Agreement. No supplement, modification or
amendment of this Agreement shall be binding unless executed in writing by both
of the parties hereto. No waiver of any of the provisions of this Agreement
shall be binding unless in the form of a writing signed by the party against
whom enforcement of the waiver is sought, and no such waiver shall operate as a
waiver of any other provisions hereof (whether or not similar), nor shall such
waiver constitute a continuing waiver. Except as specifically provided herein,
no failure to exercise or any delay in exercising any right or remedy hereunder
shall constitute a waiver thereof.

          11. Subrogation. In the event of payment under this Agreement, the
Company shall be subrogated to the extent of such payment to all of the rights
of recovery of Indemnitee, who shall execute all papers required and shall do
everything that may be necessary to secure such rights, including the execution
of such documents necessary to enable the Company effectively to bring suit to
enforce such rights.

          12. No Duplication of Payments. The Company shall not be liable under
this Agreement to make any payment in connection with any claim made against
Indemnitee to the extent Indemnitee has otherwise received payment (under any
insurance policy, Bylaw or otherwise) of the amounts otherwise indemnifiable
hereunder.

          13. Duration of Agreement. This Agreement shall continue until and
terminate upon the later of (a) six (6) years after the date that Indemnitee
shall have ceased to serve as a director or officer of the Company or (b) one
(1) year after the final termination of any Proceeding, including any appeal,
then pending in respect of which Indemnitee is granted rights of indemnification
or advancement of Expenses hereunder and of any proceeding commenced by
Indemnitee pursuant to Section 4(b) of this Agreement relating thereto.

          14. Binding Effect. This Agreement shall be binding upon and inure to
the benefit of and be enforceable by the parties hereto and their respective
successors (including any direct or indirect successor by purchase, merger,
consolidation or otherwise to all or substantially all

                                       -8-

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of the business and/or assets of the Company), assigns, spouses, heirs and
personal and legal representatives. The Company shall require and cause any
successor (whether direct or indirect by purchase, merger, consolidation or
otherwise) to all, substantially all or a substantial part, of the business
and/or assets of the Company, by written agreement in form and substance
satisfactory to Indemnitee, expressly to assume and agree to perform this
Agreement in the same manner and to the same extent that the Company would be
required to perform if no such succession had taken place. The indemnification
provided under this Agreement shall continue as to Indemnitee for any action
taken or not taken while serving in an indemnified capacity pertaining to an
Indemnifiable Event even though Indemnitee may have ceased to serve in such
capacity at the time of any Proceeding.

          15. Severability. If any provision (or portion thereof) of this
Agreement shall be held by a court of competent jurisdiction to be invalid, void
or otherwise unenforceable, (a) the remaining provisions shall remain
enforceable to the fullest extent permitted by law; (b) such provision or
provisions shall be deemed reformed to the extent necessary to conform to
applicable law and to give the maximum effect to the intent of the parties
hereto; and (c) to the fullest extent possible, the provisions of this Agreement
(including, without limitation, each portion of this Agreement containing any
provision held to be invalid, void or otherwise unenforceable, that is not
itself invalid, void or unenforceable) shall be construed so as to give effect
to the intent manifested by the provision held invalid, void or unenforceable.

          16. Contribution. To the fullest extent permissible under applicable
law, whether or not the indemnification provided for in this Agreement is
available to Indemnitee for any reason whatsoever, the Company shall pay all or
a portion of the amount that would otherwise be incurred by Indemnitee for
Expenses in connection with any claim relating to an Indemnifiable Event, as is
deemed fair and reasonable in light of all of the circumstances of such
Proceeding in order to reflect (i) the relative benefits received by the Company
and Indemnitee as a result of the event(s) and/or transaction(s) giving cause to
such Proceeding; and/or (ii) the relative fault of the Company (and its
directors, officers, employees and agents) and Indemnitee in connection with
such event(s) and/or transaction(s).

          17. Governing Law. This Agreement shall be governed by and construed
and enforced in accordance with the laws of the State of Delaware applicable to
contracts made and to be performed in such State without giving effect to its
principles of conflicts of laws. The Company and Indemnitee hereby irrevocably
and unconditionally (i) agree that any action or proceeding arising out of or in
connection with this Agreement may be brought in the Delaware Court of Chancery
or in the applicable state or federal courts in the State of Arizona; (ii)
consent to submit to the jurisdiction of the Delaware Court of Chancery or of
the applicable state or federal courts in the State of Arizona for purposes of
any action or proceeding arising out of or in connection with this Agreement,
(iii) waive any objection to the laying of venue of any such action or
proceeding in the Delaware Court of Chancery or in the applicable state or
federal courts in the State of Arizona, and (iv) waive, and agree not to plead
or to make, any claim that any such action or proceeding brought in the Delaware
Court of Chancery or in the applicable state or federal courts in the State of
Arizona has been brought in an improper or inconvenient forum.

          18. Notices. All notices, demands and other communications required or
permitted hereunder shall be made in writing and shall be deemed to have been
duly given if

                                       -9-

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delivered by hand, against receipt or mailed, postage prepaid, certified or
registered mail, return receipt requested and addressed to the Company at:

               Limelight Networks, Inc.
               2220 W. 14th Street
               Tempe, AZ 85281
               Attention: Chief Executive Officer/ General Counsel

and to Indemnitee at:

               [_____]
               [_____].

Notice of change of address shall be effective only when given in accordance
with this Section. All notices complying with this Section shall be deemed to
have been received on the date of hand delivery or on the third business day
after mailing.

          19. Counterparts. This Agreement may be executed in one or more
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

                                    * * * * *

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     IN WITNESS WHEREOF, the parties hereto have duly executed and delivered
this Agreement as of the day specified above.

                                        LIMELIGHT NETWORKS, INC.
                                        a Delaware corporation

                                        By:
                                            ------------------------------------
                                        Print Name:
                                                    ----------------------------
                                        Title:
                                               ---------------------------------

                                        INDEMNITEE,
                                        an individual

                                        ----------------------------------------
                                        Indemnitee<PAGE>

                                                                    Exhibit 10.2

                            LIMELIGHT NETWORKS, INC.

              AMENDED AND RESTATED 2003 INCENTIVE COMPENSATION PLAN

<PAGE>
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<TABLE>
<S>                                                                           <C>
1.   Purpose...............................................................    1
2.   Administration........................................................    1
     (a)    Authority of the Committee.....................................    1
     (b)    Manner of Exercise of Authority................................    1
     (c)    Limitation of Liability........................................    2
3.   Stock Subject to Plan.................................................    2
     (a)    Limitation on Overall Number of Shares Subject to Awards.......    2
     (b)    Application of Limitations.....................................    2
4.   Eligibility; Per-Person Award Limitations.............................    2
5.   Specific Terms of Awards..............................................    2
     (a)    General........................................................    2
     (b)    Options........................................................    3
     (c)    Stock Appreciation Rights......................................    4
     (d)    Restricted Stock...............................................    4
     (e)    Bonus Stock and Awards in Lieu of Obligations..................    5
     (f)    Other Stock-Based Awards.......................................    6
6.   Certain Provisions Applicable to Awards...............................    6
     (a)    Stand-Alone, Additional, Tandem, and Substitute Awards.........    6
     (b)    Term of Awards.................................................    6
     (c)    Form and Timing of Payment Under Awards; Deferrals.............    7
     (d)    Exemptions from Section 16(b) Liability........................    7
7.   Change in Control.....................................................    7
     (a)    Effect of "Change in Control...................................    7
     (b)    Definition of "Change in Control"..............................    8
     (c)    Definition of "Change in Control Price.........................    8
8.   General Provisions....................................................    9
     (a)    Compliance With Legal and Other Requirements...................    9
     (b)    Limits on Transferability; Beneficiaries.......................    9
     (c)    Adjustments....................................................    9
     (d)    Taxes..........................................................   10
     (e)    Changes to the Plan and Awards.................................   11
     (f)    Limitation on Rights Conferred Under Plan......................   11
     (g)    Unfunded Status of Awards; Creation of Trusts..................   11
     (h)    Nonexclusivity of the Plan.....................................   12
     (i)    Payments in the Event of Forfeitures; Fractional Shares........   12
     (j)    Governing Law..................................................   12
     (k)    Plan Effective Date and Stockholder Approval;
               Termination of Plan.........................................   12
9.   Definitions...........................................................   12
     (a)    "Award"........................................................   12
     (b)    "Award Agreement"..............................................   12
     (c)    "Beneficiary"..................................................   13
     (d)    "Beneficial Owner", "Beneficially Owning" and
               "Beneficial Ownership"......................................   13
     (e)    "Board"........................................................   13
</TABLE>

                                       -i-

<PAGE>

<TABLE>
<S>                                                                           <C>
     (f)    "Change in Control"............................................   13
     (g)    "Change in Control Price"......................................   13
     (h)    "Code".........................................................   13
     (i)    "Committee"....................................................   13
     (j)    "Company"......................................................   13
     (k)    "Consultant"...................................................   13
     (l)    "Continuous Service"...........................................   13
     (m)    "Corporate Transaction"........................................   14
     (n)    "Director".....................................................   14
     (o)    "Dividend Equivalent"..........................................   14
     (p)    "Effective Date"...............................................   14
     (q)    "Eligible Person"..............................................   14
     (r)    "Employee".....................................................   14
     (s)    "Exchange Act".................................................   14
     (t)    "Executive Officer"............................................   14
     (u)    "Fair Market Value"............................................   14
     (v)    "Incentive Stock Option".......................................   14
     (w)    "Incumbent Board"..............................................   15
     (x)    "Limited Stock Appreciation Right".............................   15
     (y)    "Nonqualified Stock Option"....................................   15
     (z)    "Option".......................................................   15
     (aa)   "Optionee".....................................................   15
     (bb)   "Other Stock-Based Awards".....................................   15
     (cc)   "Parent".......................................................   15
     (dd)   "Participant"..................................................   15
     (ee)   "Person".......................................................   15
     (ff)   "Plan".........................................................   15
     (gg)   "Related Entity"...............................................   15
     (hh)   "Restricted Stock".............................................   15
     (ii)   "Rule 16b-3" and "Rule 16a-1(c)(3)"............................   15
     (jj)   "Stock"........................................................   15
     (kk)   "Stock Appreciation Right".....................................   15
     (ll)   "Subsidiary"...................................................   16
</TABLE>

                                      -ii-

<PAGE>

                            LIMELIGHT NETWORKS, INC.

              AMENDED AND RESTATED 2003 INCENTIVE COMPENSATION PLAN

               (as amended and restated through October 20, 2006)

     1. PURPOSE. The purpose of this Amended and Restated 2003 Incentive
Compensation Plan is to assist Limelight Networks, Inc., a Delaware corporation
and its Related Entities in attracting, motivating, retaining, and rewarding
high-quality executives and other Employees, officers, Directors, and
Consultants by enabling such persons to acquire or increase a proprietary
interest in the Company in order to strengthen the mutuality of interests
between such persons and the Company's stockholders, and providing such persons
with annual and long-term performance incentives to expend their maximum efforts
in the creation of stockholder value. The Plan is intended to qualify certain
compensation awarded under the Plan for tax deductibility under Section 162(m)
of the Code to the extent deemed appropriate by the Board of Directors or any
applicable committee (or any successor committee) of the Board of Directors of
the Company.

     2. ADMINISTRATION.

          (a) Authority of the Committee. The Plan shall be administered by the
Board of Directors or the Committee. The Committee or the Board shall have full
and final authority, in each case subject to and consistent with the provisions
of the Plan, to select Eligible Persons to become Participants, grant Awards,
determine the type, number, and other terms and conditions of, and all other
matters relating to, Awards, prescribe Award Agreements (which need not be
identical for each Participant) and rules and regulations for the administration
of the Plan, construe and interpret the Plan and Award Agreements and correct
defects, supply omissions, or reconcile inconsistencies therein, and to make all
other decisions and determinations as the Committee or the Board may deem
necessary or advisable for the administration of the Plan. In exercising any
discretion granted to the Committee or the Board under the Plan or pursuant to
any Award, the Committee or the Board shall not be required to follow past
practices, act in a manner consistent with past practices, or treat any Eligible
Person in a manner consistent with the treatment of other Eligible Persons.

          (b) Manner of Exercise of Authority. Any action of the Committee or
the Board shall be final, conclusive, and binding on all persons, including the
Company, its Related Entities, Participants, Beneficiaries, transferees under
Section 8(b) hereof, or other persons claiming rights from or through a
Participant, and stockholders. The express grant of any specific power to the
Committee or the Board, and the taking of any action by the Committee or the
Board, shall not be construed as limiting any power or authority of the
Committee or the Board. The Committee or the Board may delegate to officers or
managers of the Company or any Related Entity, or committees thereof, the
authority, subject to such terms as the Committee or the Board shall determine,
to perform administrative functions or other functions as the Committee or the
Board may determine. The Committee or the Board may appoint agents to assist it
in administering the Plan.

                                       -1-

<PAGE>

          (c) Limitation of Liability. The Committee and the Board, and each
member thereof, shall be entitled to, in good faith, rely or act upon any report
or other information furnished to him or her by any Executive Officer, other
officer or Employee, the Company's independent auditors, Consultants or any
other agents assisting in the administration of the Plan. Members of the
Committee and the Board, and any officer or Employee acting at the direction or
on behalf of the Committee or the Board, shall not be personally liable for any
action or determination taken or made in good faith with respect to the Plan,
and shall, to the extent permitted by law, be fully indemnified and protected by
the Company with respect to any such action or determination.

     3. STOCK SUBJECT TO PLAN.

          (a) Limitation on Overall Number of Shares Subject to Awards. Subject
to adjustment as provided in Section 8(c) hereof, the total number of shares of
Stock reserved and available for delivery in connection with Awards under the
Plan shall be the sum of (i) 2,540,000 shares plus (ii) the number of shares of
Stock with respect to which any Awards previously granted under the Plan
terminated without being exercised, expire, are forfeited or canceled, do not
vest, or are surrendered in payment of any Awards or any tax withholding with
regard thereto. Any shares of Stock delivered under the Plan may consist, in
whole or in part, of authorized and unissued shares or treasury shares. Subject
to adjustment as provided in Section 8(c) hereof, the number of shares of Stock
that may be issued pursuant to Incentive Stock Options shall not exceed
2,540,000 shares.

          (b) Application of Limitations. The Committee or the Board may adopt
reasonable counting procedures to ensure appropriate counting, avoid double
counting (as, for example, in the case of tandem or substitute awards), and make
adjustments if the number of shares of Stock actually delivered differs from the
number of shares previously counted in connection with an Award.

     4. ELIGIBILITY; PER-PERSON AWARD LIMITATIONS. Awards may be granted under
the Plan only to Eligible Persons, provided only Employees may be granted
Incentive Stock Options. In each fiscal year during any part of which the Plan
is in effect, an Eligible Person may not be granted Awards relating to more than
500,000 shares of Stock, subject to adjustment as provided in Section 8(c),
under each of Sections 5(b), 5(c), 5(d), 5(e), and 5(f).

     5. SPECIFIC TERMS OF AWARDS.

          (a) General. Each Award under the Plan will be evidenced by an Award
Agreement. Awards may be granted on the terms and conditions set forth in this
Section 5. In addition, the Committee or the Board may impose on any Award or
the exercise thereof, at the date of grant or thereafter (subject to Section
8(e)), such additional terms and conditions, not inconsistent with the
provisions of the Plan, as the Committee or the Board shall determine, including
terms requiring forfeiture of Awards in the event of termination of Continuous
Service by the Participant and terms permitting a Participant to make elections
relating to his or her Award. The Committee or the Board shall retain full power
and discretion to accelerate, waive, or modify, at any time, any term or
condition of an Award that is not mandatory under the Plan.

                                       -2-

<PAGE>

          (b) Options. Each Option will be designated in the Award Agreement as
either an Incentive Stock Option or a Nonqualified Stock Option. The Committee
and the Board each is authorized to grant Options to Participants on the
following terms and conditions:

               (i) Exercise Price. The exercise price per share of Stock
purchasable under an Option shall be determined by the Committee or the Board,
provided that such exercise price shall not, in the case of Incentive Stock
Options, be less than 100% of the Fair Market Value of the Stock on the date of
grant of the Option and shall not, in any event, be less than the par value of a
share of Stock on the date of grant of such Option. If an employee owns or is
deemed to own (by reason of the attribution rules applicable under Section
424(d) of the Code) more than 10% of the combined voting power of all classes of
stock of the Company or any Parent Corporation or Subsidiary and an Incentive
Stock Option is granted to such employee, the option price of such Incentive
Stock Option (to the extent required by the Code at the time of grant) shall be
no less than 110% of the Fair Market Value of the Stock on the date such
Incentive Stock Option is granted.

               (ii) Time and Method of Exercise. The Committee or the Board
shall determine the time or times at which or the circumstances under which an
Option may be exercised in whole or in part (including based on achievement of
performance goals and/or future service requirements), the time or times at
which Options shall cease to be or become exercisable following termination of
Continuous Service or upon other conditions, the methods by which such exercise
price may be paid or deemed to be paid (including in the discretion of the
Committee or the Board a cashless exercise procedure), the form of such payment,
including, without limitation, cash, Stock, other Awards, or awards granted
under other plans of the Company or a Related Entity, or other property
(including notes or other contractual obligations of Participants to make
payment on a deferred basis), and the methods by or forms in which Stock will be
delivered or deemed to be delivered to Participants.

               (iii) Incentive Stock Options. The terms of any Incentive Stock
Option granted under the Plan shall comply in all respects with the provisions
of Section 422 of the Code. Anything in the Plan to the contrary
notwithstanding, no term of the Plan relating to Incentive Stock Options
(including any Stock Appreciation Right in tandem therewith) shall be
interpreted, amended, or altered, nor shall any discretion or authority granted
under the Plan be exercised, so as to disqualify either the Plan or any
Incentive Stock Option under Section 422 of the Code, unless the Participant has
first requested the change that will result in such disqualification. Thus, if
and to the extent required to comply with Section 422 of the Code, Options
granted as Incentive Stock Options shall be subject to the following special
terms and conditions:

                    (A) The Option shall not be exercisable more than ten years
after the date such Incentive Stock Option is granted; provided, however, that
if a Participant owns or is deemed to own (by reason of the attribution rules of
Section 424(d) of the Code) more than 10% of the combined voting power of all
classes of Stock of the Company or any Parent and the Incentive Stock Option is
granted to such Participant, the term of the Incentive Stock Option shall be (to
the extent required by the Code at the time of the grant) for no more than five
years from the date of grant; and

                                       -3-

<PAGE>

                    (B) The aggregate Fair Market Value (determined as of the
date the Incentive Stock Option is granted) of the shares of Stock with respect
to which Incentive Stock Options granted under the Plan and all other option
plans of the Company or any Parent during any calendar year exercisable for the
first time by the Participant during any calendar year shall not (to the extent
required by the Code at the time of the grant) exceed $100,000.

               (iv) Repurchase Rights. The Committee and the Board shall have
the discretion to grant Options that are exercisable for unvested shares of
Stock. Should the Optionee's Continuous Service cease while holding such
unvested shares, the Company shall have the right to repurchase, at the exercise
price paid per share, any or all of those unvested shares. The terms upon which
such repurchase right shall be exercisable (including the period and procedure
for exercise and the appropriate vesting schedule for the purchased shares)
shall be established by the Committee or the Board and set forth in the document
evidencing such repurchase right.

          (c) Stock Appreciation Rights. The Committee and the Board each is
authorized to grant Stock Appreciation Right's to Participants on the following
terms and conditions:

               (i) Right to Payment. A Stock Appreciation Right shall confer on
the Participant to whom it is granted a right to receive, upon exercise thereof,
the excess of (A) the Fair Market Value of one share of Stock on the date of
exercise (or, in the case of a "Limited Stock Appreciation Right" that may be
exercised only in the event of a Change in Control, the Fair Market Value
determined by reference to the Change in Control Price, as defined under Section
7(c) hereof), over (B) the grant price of the Stock Appreciation Right as
determined by the Committee or the Board. The grant price of a Stock
Appreciation Right shall not be less than the Fair Market Value of a share of
Stock on the date of grant except as provided under Section 5(a) hereof.

               (ii) Other Terms. The Committee or the Board shall determine at
the date of grant or thereafter, the time or times at which and the
circumstances under which a Stock Appreciation Right may be exercised in whole
or in part (including based on achievement of performance goals and/or future
service requirements), the time or times at which Stock Appreciation Rights
shall cease to be or become exercisable following termination of Continuous
Service or upon other conditions, the method of exercise, method of settlement,
form of consideration payable in settlement, method by or forms in which Stock
will be delivered or deemed to be delivered to Participants, whether or not a
Stock Appreciation Right shall be in tandem or in combination with any other
Award, and any other terms and conditions of any Stock Appreciation Right.
Limited Stock Appreciation Rights that may only be exercised in connection with
a Change in Control or other event as specified by the Committee or the Board,
may be granted on such terms, not inconsistent with this Section 5(c), as the
Committee or the Board may determine. Stock Appreciation Rights and Limited
Stock Appreciation Rights may be either freestanding or in tandem with other
Awards.

          (d) Restricted Stock. The Committee and the Board each is authorized
to grant Restricted Stock to Participants on the following terms and conditions:

                                       -4-

<PAGE>

               (i) Grant and Restrictions. Restricted Stock shall be subject to
such restrictions on transferability, risk of forfeiture, and other
restrictions, if any, as the Committee or the Board may impose, or as otherwise
provided in this Plan. The restrictions may lapse separately or in combination
at such times, under such circumstances (including based on achievement of
performance goals and/or future service requirements), in such installments, or
otherwise, as the Committee or the Board may determine at the date of grant or
thereafter. Except to the extent restricted under the terms of the Plan and any
Award agreement relating to the Restricted Stock, a Participant granted
Restricted Stock shall have all of the rights of a stockholder, including the
right to vote the Restricted Stock and the right to receive dividends thereon
(subject to any mandatory reinvestment or other requirement imposed by the
Committee or the Board). During the restricted period applicable to the
Restricted Stock, subject to Section 8(b) below, the Restricted Stock may not be
sold, transferred, pledged, hypothecated, margined, or otherwise encumbered by
the Participant.

               (ii) Forfeiture. Except as otherwise determined by the Committee
or the Board at the time of the Award, upon termination of a Participant's
Continuous Service during the applicable restriction period, the Participant's
Restricted Stock that is at that time subject to restrictions shall be forfeited
and reacquired by the Company; provided that the Committee or the Board may
provide, by rule or regulation or in any Award Agreement, or may determine in
any individual case, that restrictions or forfeiture conditions relating to
Restricted Stock shall be waived in whole or in part in the event of
terminations resulting from specified causes, and the Committee or the Board may
in other cases waive in whole or in part the forfeiture of Restricted Stock.

               (iii) Certificates for Stock. Restricted Stock granted under the
Plan may be evidenced in such manner as the Committee or the Board shall
determine. If certificates representing Restricted Stock are registered in the
name of the Participant, the Committee or the Board may require that such
certificates bear an appropriate legend referring to the terms, conditions, and
restrictions applicable to such Restricted Stock, that the Company retain
physical possession of the certificates, and that the Participant deliver a
stock power to the Company, endorsed in blank, relating to the Restricted Stock.

               (iv) Dividends and Splits. As a condition to the grant of an
Award of Restricted Stock, the Committee or the Board may require that any cash
dividends paid on a share of Restricted Stock be automatically reinvested in
additional shares of Restricted Stock or applied to the purchase of additional
Awards under the Plan. Unless otherwise determined by the Committee or the
Board, Stock distributed in connection with a Stock split or Stock dividend, and
other property distributed as a dividend, shall be subject to restrictions and a
risk of forfeiture to the same extent as the Restricted Stock with respect to
which such Stock or other property has been distributed.

          (e) Bonus Stock and Awards in Lieu of Obligations. The Committee and
the Board each is authorized to grant Stock as a bonus, or to grant Stock or
other Awards in lieu of Company obligations to pay cash or deliver other
property under the Plan or under other plans or compensatory arrangements,
provided that, in the case of Participants subject to Section 16 of the Exchange
Act, the amount of such grants remains within the discretion of the Committee to
the extent necessary to ensure that acquisitions of Stock or other Awards are
exempt from liability

                                       -5-

<PAGE>

under Section 16(b) of the Exchange Act. Stock or Awards granted hereunder shall
be subject to such other terms as shall be determined by the Committee or the
Board.

          (f) Other Stock-Based Awards. The Committee and the Board each is
authorized, subject to limitations under applicable law, to grant to
Participants such other Awards that may be denominated or payable in, valued in
whole or in part by reference to, or otherwise based on, or related to, Stock,
as deemed by the Committee or the Board to be consistent with the purposes of
the Plan, including, without limitation, convertible or exchangeable debt
securities, other rights convertible or exchangeable into Stock, purchase rights
for Stock, Awards with value and payment contingent upon performance of the
Company or any other factors designated by the Committee or the Board, and
Awards valued by reference to the book value of Stock or the value of securities
of or the performance of specified Related Entities or business units. The
Committee or the Board shall determine the terms and conditions of such Awards.
Stock delivered pursuant to an Award in the nature of a purchase right granted
under this Section 5(f) shall be purchased for such consideration, paid for at
such times, by such methods, and in such forms, including, without limitation,
cash, Stock, other Awards, or other property, as the Committee or the Board
shall determine. The Committee and the Board shall have the discretion to grant
such other Awards that are exercisable for unvested shares of Stock. Should the
Optionee's Continuous Service cease while holding such unvested shares, the
Company shall have the right to repurchase, at the exercise price paid per
share, any or all of those unvested shares. The terms upon which such repurchase
right shall be exercisable (including the period and procedure for exercise and
the appropriate vesting schedule for the purchased shares) shall be established
by the Committee or the Board and set forth in the document evidencing such
repurchase right. Cash awards, as an element of or supplement to any other Award
under the Plan, may also be granted pursuant to this Section 5(f).

     6. CERTAIN PROVISIONS APPLICABLE TO AWARDS.

          (a) Stand-Alone, Additional, Tandem, and Substitute Awards. Awards
granted under the Plan may, in the discretion of the Committee or the Board, be
granted either alone or in addition to, in tandem with, or in substitution or
exchange for, any other Award or any award granted under another plan of the
Company, any Related Entity, or any business entity to be acquired by the
Company or a Related Entity, or any other right of a Participant to receive
payment from the Company or any Related Entity. Such additional, tandem, and
substitute or exchange Awards may be granted at any time. If an Award is granted
in substitution or exchange for another Award or award, the Committee or the
Board shall require the surrender of such other Award or award in consideration
for the grant of the new Award. In addition, Awards may be granted in lieu of
cash compensation, including in lieu of cash amounts payable under other plans
of the Company or any Related Entity, in which the value of Stock subject to the
Award is equivalent in value to the cash compensation (for example, Deferred
Stock or Restricted Stock), or in which the exercise price, grant price, or
purchase price of the Award in the nature of a right that may be exercised is
equal to the Fair Market Value of the underlying Stock minus the value of the
cash compensation surrendered (for example, Options granted with an exercise
price "discounted" by the amount of the cash compensation surrendered).

          (b) Term of Awards. The term of each Award shall be for such period as
may be determined by the Committee or the Board; provided that in no event shall
the term of any

                                       -6-

<PAGE>

Option or Stock Appreciation Right exceed a period of ten years (or such shorter
term as may be required in respect of an Incentive Stock Option under Section
422 of the Code).

          (c) Form and Timing of Payment Under Awards; Deferrals. Subject to the
terms of the Plan and any applicable Award Agreement, payments to be made to the
Company or a Related Entity upon the exercise of an Option or other Award or
settlement of an Award may be made in such forms as the Committee or the Board
shall determine, including, without limitation, cash, other Awards or other
property, and may be made in a single payment or transfer, in installments, or
on a deferred basis. The settlement of any Award may be accelerated, and cash
paid in lieu of Stock in connection with such settlement, in the discretion of
the Committee or the Board or upon occurrence of one or more specified events
(in addition to a Change in Control). Installment or deferred payments may be
required by the Committee or the Board (subject to Section 8(e) of the Plan) or
permitted at the election of the Participant on terms and conditions established
by the Committee or the Board. Payments may include, without limitation,
provisions for the payment or crediting of a reasonable interest rate on
installment or deferred payments or the grant or crediting of Dividend
Equivalents or other amounts in respect of installment or deferred payments
denominated in Stock.

          (d) Exemptions from Section 16(b) Liability. It is the intent of the
Company that this Plan comply in all respects with applicable provisions of Rule
16b-3 or Rule 16a-1(c)(3) to the extent necessary to ensure that neither the
grant of any Awards to nor other transaction by a Participant who is subject to
Section 16 of the Exchange Act is subject to liability under Section 16(b)
thereof (except for transactions acknowledged in writing to be non-exempt by
such Participant). Accordingly, if any provision of this Plan or any Award
Agreement does not comply with the requirements of Rule 16b-3 or Rule
16a-1(c)(3) as then applicable to any such transaction, such provision will be
construed or deemed amended to the extent necessary to conform to the applicable
requirements of Rule 16b-3 or Rule 16a-1(c)(3) so that such Participant shall
avoid liability under Section 16(b). In addition, the purchase price of any
Award conferring a right to purchase Stock shall be not less than any specified
percentage of the Fair Market Value of Stock at the date of grant of the Award
then required in order to comply with Rule 16b-3.

     7. CHANGE IN CONTROL.

          (a) Effect of "Change in Control. "If and to the extent provided in
the Award, in the event of a "Change in Control," as defined in Section 7(b):

               (i) The Committee may, within its discretion, accelerate the
vesting and exercisability of any Option or Award carrying a right to exercise
that was not previously vested and exercisable as of the time of the Change in
Control, subject to applicable restrictions set forth in Section 8 (a) hereof;

               (ii) The Committee may, within its discretion, accelerate the
exercisability of any limited Stock Appreciation Rights (and other Stock
Appreciation Rights if so provided by their terms) and provide for the
settlement of such Stock Appreciation Rights for amounts, in cash, determined by
reference to the Change in Control Price; and

                                       -7-

<PAGE>

               (iii) The Committee may, within its discretion, lapse the
restrictions, deferral of settlement, and forfeiture conditions applicable to
any other Award granted under the Plan and such Awards may be deemed fully
vested as of the time of the Change in Control, except to the extent of any
waiver by the Participant and subject to applicable restrictions set forth in
Section 8 (a) hereof.

          (b) Definition of "Change in Control". A "Change in Control" shall be
deemed to have occurred upon:

               (i) Approval by the stockholders of the Company of a
reorganization, merger, consolidation, or other form of corporate transaction or
series of transactions, in each case, with respect to which persons who were the
stockholders of the Company immediately prior to such reorganization, merger,
consolidation, or other transaction do not, immediately thereafter, own more
than 50% of the combined voting power entitled to vote generally in the election
of directors of the reorganized, merged, or consolidated company's then
outstanding voting securities, or a liquidation or dissolution of the Company or
the sale of all or substantially all of the assets of the Company (unless such
reorganization, merger, consolidation or other corporate transaction,
liquidation, dissolution or sale (any such event being referred to as a
"Corporate Transaction") is subsequently abandoned);

               (ii) Individuals who, as of the date on which the Award is
granted, constitute the Board (the "Incumbent Board") cease for any reason to
constitute at least a majority of the Board, provided that any person becoming a
director subsequent to the date on which the Award was granted whose election,
or nomination for election by the Company's shareholders, was approved by a vote
of at least a majority of the directors then comprising the Incumbent Board
(other than an election or nomination of an individual whose initial assumption
of office is in connection with an actual or threatened election contest
relating to the election of the Directors of the Company) shall be, for purposes
of this Agreement, considered as though such person were a member of the
Incumbent Board; or

               (iii) The acquisition (other than from the Company) by any
person, entity, or "group", within the meaning of Section 13(d)(3) or 14(d)(2)
of the Exchange Act, of more than 50% of either the then outstanding shares of
the Company's Stock or the combined voting power of the Company's then
outstanding voting securities entitled to vote generally in the election of
directors (hereinafter referred to as the ownership of a "Controlling Interest")
excluding, for this purpose, any acquisitions by (1) the Company or a Related
Entity, (2) any person, entity, or "group" that as of the date on which the
Award is granted owns beneficial ownership (within the meaning of Rule 13d-3
promulgated under the Exchange Act) of a Controlling Interest or (3) any
employee benefit plan of the Company a Related Entity.

          (c) Definition of "Change in Control Price." The "Change in Control
Price" means an amount in cash equal to the higher of (i) the amount of cash and
fair market value of property that is the highest price per share paid
(including extraordinary dividends) in any Corporate Transaction triggering the
Change in Control under Section 7(b)(i) hereof or any liquidation of shares
following a sale of substantially all of the assets of the Company, or (ii) the
highest Fair Market Value per share at any time during the 60-day period
preceding and the 60-day period following the Change in Control.

                                       -8-

<PAGE>

     8. GENERAL PROVISIONS.

          (a) Compliance With Legal and Other Requirements. The Company may, to
the extent deemed necessary or advisable by the Committee or the Board, postpone
the issuance or delivery of Stock or payment of other benefits under any Award
until completion of such registration or qualification of such Stock or other
required action under any federal or state law, rule, or regulation, listing, or
other required action with respect to any stock exchange or automated quotation
system upon which the Stock or other Company securities may then be listed or
quoted, or compliance with any other obligation of the Company, as the Committee
or the Board, may consider appropriate, and may require any Participant to make
such representations, furnish such information and comply with or be subject to
such other conditions as it may consider appropriate in connection with the
issuance or delivery of Stock or payment of other benefits in compliance with
applicable laws, rules, and regulations, listing requirements, or other
obligations.

          (b) Limits on Transferability; Beneficiaries. No Award or other right
or interest of a Participant under the Plan, including any Award or right that
constitutes a derivative security as generally defined in Rule 16a 1(c) under
the Exchange Act, shall be pledged, hypothecated, or otherwise encumbered or
subject to any lien, obligation, or liability of such Participant to any party
(other than the Company or a Subsidiary), or assigned or transferred by such
Participant otherwise than by a qualified domestic relations order, by will or
the laws of descent and distribution or to a Beneficiary upon the death of a
Participant, and such Awards or rights that may be exercisable shall be
exercised during the lifetime of the Participant only by the Participant or his
or her guardian or legal representative, except that Awards and other rights
(other than Incentive Stock Options and Stock Appreciation Rights in tandem
therewith) may be transferred to one or more Beneficiaries or other transferees
during the lifetime of the Participant, and may be exercised by such transferees
in accordance with the terms of such Award, but only if and to the extent such
transfers and exercises are permitted by the Committee or the Board pursuant to
the express terms of an Award Agreement (subject to any terms and conditions
which the Committee or the Board may impose thereon, and further subject to any
prohibitions or restrictions on such transfers pursuant to Rule 16b-3). A
Beneficiary, transferee, or other person claiming any rights under the Plan from
or through any Participant shall be subject to all terms and conditions of the
Plan and any Award Agreement applicable to such Participant, except as otherwise
determined by the Committee or the Board, and to any additional terms and
conditions deemed necessary or appropriate by the Committee or the Board.

          (c) Adjustments.

               (i) Adjustments to Awards. In the event that any dividend or
other distribution (whether in the form of cash, Stock, or other property),
recapitalization, forward or reverse split, reorganization, merger,
consolidation, spin-off, combination, repurchase, share exchange, liquidation,
dissolution, or other similar corporate transaction or event affects the Stock
and/or such other securities of the Company or any other issuer such that a
substitution, exchange, or adjustment is determined by the Committee or the
Board to be appropriate, then the Committee or the Board shall, in such manner
as it may deem equitable, substitute, exchange, or adjust any or all of (A) the
number and kind of shares of Stock that may be delivered in connection with
Awards granted thereafter, (B) the number and kind of shares of Stock by which

                                       -9-

<PAGE>

annual per-person Award limitations are measured under Section 4 hereof, (C) the
number and kind of shares of Stock subject to or deliverable in respect of
outstanding Awards, (D) the exercise price, grant price, or purchase price
relating to any Award and/or make provision for payment of cash or other
property in respect of any outstanding Award, and (E) any other aspect of any
Award that the Committee or Board determines to be appropriate.

               (ii) Adjustments in Case of Certain Corporate Transactions. In
the event of a proposed sale of all or substantially all of the Company's assets
or any reorganization, merger, consolidation, or other form of corporate
transaction in which the Company does not survive (except for a transaction the
principal purposes of which is to change the state in which the Company is
incorporated), or in which the shares of Stock are exchanged for or converted
into securities issued by another entity, then the successor or acquiring entity
or an affiliate thereof may, with the consent of the Committee or the Board,
assume each outstanding Option or substitute an equivalent option or right. If
the successor or acquiring entity or an affiliate thereof, does not cause such
an assumption or substitution, then (A) each Option shall terminate upon the
consummation of sale, merger, consolidation, or other corporate transaction, and
(B) the Committee shall have the discretion and authority, consistent with
Section 7, exercisable at any time, to provide for the automatic acceleration of
vesting or exercisability of one or more Awards granted by it under the Plan.
The Committee or the Board shall give written notice of any proposed transaction
referred to in this Section 8(c)(ii) a reasonable period of time prior to the
closing date for such transaction (which notice may be given either before or
after the approval of such transaction), in order that Optionees may have a
reasonable period of time prior to the closing date of such transaction within
which to exercise any Options that are then exercisable (including any Options
that may become exercisable upon the closing date of such transaction). An
Optionee may condition his exercise of any Option upon the consummation of the
transaction.

               (iii) Other Adjustments. In addition, the Committee (and the
Board if and only to the extent such authority is not required to be exercised
by the Committee to comply with Code Section 162(m)) is authorized to make
adjustments in the terms and conditions of, and the criteria included in, Awards
in recognition of unusual or nonrecurring events (including, without limitation,
acquisitions and dispositions of businesses and assets) affecting the Company,
any Related Entity, or any business unit, or the financial statements of the
Company or any Related Entity, or in response to changes in applicable laws,
regulations, accounting principles, tax rates and regulations, or business
conditions or in view of the Committee's assessment of the business strategy of
the Company, any Related Entity or business unit thereof, performance of
comparable organizations, economic and business conditions, personal performance
of a Participant, and any other circumstances deemed relevant; provided that no
such adjustment shall be authorized or made if and to the extent that such
authority or the making of such adjustment would cause Options, or Stock
Appreciation Rights hereof to Participants designated by the Committee as
Covered Employees and intended to qualify as "performance-based compensation"
under Code Section 162(m) and the regulations thereunder to otherwise fail to
qualify as "performance-based compensation" under Code Section 162(m) and
regulations thereunder.

          (d) Taxes. The Company and any Related Entity are authorized to
withhold from any Award granted, any payment relating to an Award under the
Plan, including from a

                                      -10-

<PAGE>

distribution of Stock, or any payroll or other payment to a Participant, amounts
of withholding and other taxes due or potentially payable in connection with any
transaction involving an Award, and to take such other action as the Committee
or the Board may deem advisable to enable the Company and Participants to
satisfy obligations for the payment of withholding taxes and other tax
obligations relating to any Award. This authority shall include authority to
withhold or receive Stock or other property and to make cash payments in respect
thereof in satisfaction of a Participant's tax obligations, either on a
mandatory or elective basis in the discretion of the Committee.

          (e) Changes to the Plan and Awards. The Board may amend, alter,
suspend, discontinue, or terminate the Plan, or the Committee's authority to
grant Awards under the Plan, without the consent of stockholders or
Participants, except that any amendment or alteration to the Plan shall be
subject to the approval of the Company's stockholders not later than the next
annual meeting following such Board action if such stockholder approval is
required by any federal or state law or regulation (including, without
limitation, Rule 16b-3 or Code Section 162(m)) or the rules of any stock
exchange or automated quotation system on which the Stock may then be listed or
quoted, and the Board may otherwise, in its discretion, determine to submit
other such changes to the Plan to stockholders for approval; provided that,
without the consent of an affected Participant, no such Board action may
materially and adversely affect the rights of such Participant under any
previously granted and outstanding Award. The Committee or the Board may waive
any conditions or rights under, or amend, alter, suspend, discontinue, or
terminate any Award theretofore granted and any Award Agreement relating
thereto, except as otherwise provided in the Plan; provided that, without the
consent of an affected Participant, no such Committee or the Board action may
materially and adversely affect the rights of such Participant under such Award.

          (f) Limitation on Rights Conferred Under Plan. Neither the Plan nor
any action taken hereunder shall be construed as (i) giving any Eligible Person
or Participant the right to continue as an Eligible Person or Participant or in
the employ of the Company or a Related Entity; (ii) interfering in any way with
the right of the Company or a Related Entity to terminate any Eligible Person's
or Participant's Continuous Service at any time, (iii) giving an Eligible Person
or Participant any claim to be granted any Award under the Plan or to be treated
uniformly with other Participants and Employees, or (iv) conferring on a
Participant any of the rights of a stockholder of the Company unless and until
the Participant is duly issued or transferred shares of Stock in accordance with
the terms of an Award.

          (g) Unfunded Status of Awards; Creation of Trusts. The Plan is
intended to constitute an "unfunded" plan for incentive and deferred
compensation. With respect to any payments not yet made to a Participant or
obligation to deliver Stock pursuant to an Award, nothing contained in the Plan
or any Award shall give any such Participant any rights that are greater than
those of a general creditor of the Company; provided that the Committee may
authorize the creation of trusts and deposit therein cash, Stock, other Awards,
or other property, or make other arrangements to meet the Company's obligations
under the Plan. Such trusts or other arrangements shall be consistent with the
"unfunded" status of the Plan unless the Committee otherwise determines with the
consent of each affected Participant. The trustee of such trusts may be
authorized to dispose of trust assets and reinvest the proceeds in alternative

                                      -11-

<PAGE>

investments, subject to such terms and conditions as the Committee or the Board
may specify and in accordance with applicable law.

          (h) Nonexclusivity of the Plan. Neither the adoption of the Plan by
the Board nor its submission to the stockholders of the Company for approval
shall be construed as creating any limitations on the power of the Board or a
committee thereof to adopt such other incentive arrangements as it may deem
desirable including incentive arrangements and awards which do not qualify under
Code Section 162(m).

          (i) Payments in the Event of Forfeitures; Fractional Shares. Unless
otherwise determined by the Committee or the Board, in the event of a forfeiture
of an Award with respect to which a Participant paid cash or other
consideration, the Participant shall be repaid the amount of such cash or other
consideration. No fractional shares of Stock shall be issued or delivered
pursuant to the Plan or any Award. The Committee or the Board shall determine
whether cash, other Awards or other property shall be issued or paid in lieu of
such fractional shares or whether such fractional shares or any rights thereto
shall be forfeited or otherwise eliminated.

          (j) Governing Law. The validity, construction, and effect of the Plan,
any rules and regulations under the Plan, and any Award Agreement shall be
determined in accordance with the laws of the state of Delaware without giving
effect to principles of conflicts of laws, and applicable federal law.

          (k) Plan Effective Date and Stockholder Approval; Termination of Plan.
The Plan shall become effective on the Effective Date, subject to subsequent
approval within 12 months of its adoption by the Board by stockholders of the
Company eligible to vote in the election of directors, by a vote sufficient to
meet the requirements of Code Sections 162(m) (if applicable) and 422, Rule
16b-3 under the Exchange Act (if applicable), or rules of any stock exchange or
automated quotation system on which the stock may be listed or quoted, and other
laws, regulations, and obligations of the Company applicable to the Plan. Awards
may be granted subject to stockholder approval, but may not be exercised or
otherwise settled in the event stockholder approval is not obtained except with
respect to Awards granted by the Company that are otherwise in compliance with
Treasury Regulations Section 1.162-27(f)(4)(iii). The Plan shall terminate at
such time as no shares of Stock remain available for issuance under the Plan and
the Company has no further rights or obligations with respect to outstanding
Awards under the Plan.

     9. Definitions. For purposes of the Plan, the following terms shall be
defined as set forth below, in addition to such terms defined in Section 1
hereof.

          (a) "Award" means any Option, Stock Appreciation Right (including
Limited Stock Appreciation Right), Restricted Stock, Stock granted as a bonus or
in lieu of another award, or Other Stock-Based Award, together with any other
right or interest, granted to a Participant under the Plan.

          (b) "Award Agreement" means the written or electronic agreement
setting forth the terms and provisions applicable to each Award granted under
the Plan. The Award Agreement is subject to the terms and conditions of the
Plan.

                                      -12-

<PAGE>

          (c) "Beneficiary" means the person, persons, trust, or trusts that
have been designated by a Participant in his or her most recent written
beneficiary designation filed with the Committee to receive the benefits
specified under the Plan upon such Participant's death or to which Awards or
other rights are transferred if and to the extent permitted under Section 8(b)
hereof. If, upon a Participant's death, there is no designated Beneficiary or
surviving designated Beneficiary, then the term Beneficiary means the person,
persons, trust, or trusts entitled by will or the laws of descent and
distribution to receive such benefits.

          (d) "Beneficial Owner", "Beneficially Owning" and "Beneficial
Ownership" shall have the meanings ascribed to such terms in Rule 13d 3 under
the Exchange Act and any successor to such Rule.

          (e) "Board" means the Company's Board of Directors.

          (f) "Change in Control" means a Change in Control as defined with
related terms in Section 7 of the Plan.

          (g) "Change in Control Price" means the amount calculated in
accordance with Section 7(c) of the Plan.

          (h) "Code" means the Internal Revenue Code of 1986, as amended from
time to time, including regulations thereunder and successor provisions and
regulations thereto.

          (i) "Committee" means a committee designated by the Board to
administer the Plan. The Board may designate more than one committee to
administer the Plan as to various categories of Eligible Persons. The Committee
shall consist of at least two directors, and each member of which shall be (i) a
"non-employee director" within the meaning of Rule 16b-3 under the Exchange Act,
unless administration of the Plan by "non-employee directors" is not then
required in order for exemptions under Rule 16b-3 to apply to transactions under
the Plan, and (ii) an "outside director" within the meaning of Section 162(m) of
the Code, unless administration of the Plan by "outside directors" is not then
required in order to qualify for tax deductibility under Section 162(m) of the
Code, provided, when appropriate, a Committee shall satisfy the then
requirements of any stock exchange or automated quotation system upon which the
Stock or other Company securities are listed or quoted.

          (j) "Company" means Limelight Networks, Inc., a Delaware corporation,
or any successor thereto.

          (k) "Consultant" means any person (other than an Employee or a
Director, solely with respect to rendering services in such person's capacity as
a director) who is engaged by the Company or any Related Entity to render
consulting or advisory services to the Company or such Related Entity.

          (l) "Continuous Service" means uninterrupted provision of services to
the Company in any capacity of Employee, Director, or Consultant. Continuous
Service shall not be considered to be interrupted in the case of (i) any
approved leave of absence, (ii) transfers among the Company, any Related
Entities, or any successor entities, in any capacity of Employee Director, or
Consultant, or (iii) any change in status as long as the individual remains in
the

                                      -13-

<PAGE>

service of the Company or a Related Entity in any capacity of Employee,
Director, or Consultant (except as otherwise provided in the Option Agreement).
An approved leave of absence shall include sick leave, military leave, or any
other authorized personal leave.

          (m) "Corporate Transaction" means a Corporate Transaction as defined
in Section 7(b)(i) of the Plan.

          (n) "Director" means a member of the Board or the board of directors
of any Related Entity.

          (o) "Dividend Equivalent" means a right, granted to a Participant
under Section 6(c) hereof, to receive, cash, Stock, other Awards or other
property equal in value to dividends paid with respect to a specified number of
shares of Stock, or other periodic payments.

          (p) "Effective Date" means the effective date of the Plan, which shall
be October 20, 2006.

          (q) "Eligible Person" means each Executive Officer of the Company (as
defined under the Exchange Act) and other officers, Directors, and Employees of
the Company or of any Related Entity, and Consultants with the Company or any
Related Entity. The foregoing notwithstanding, only employees of the Company,
the Parent, or any Subsidiary shall be Eligible Persons for purposes of
receiving any Incentive Stock Options. An Employee on leave of absence may be
considered as still in the employ of the Company or a Related Entity for
purposes of eligibility for participation in the Plan.

          (r) "Employee" means any person, including an officer or Director, who
is an employee of the Company or any Related Entity. The Payment of a director's
fee by the Company or a Related Entity shall not be sufficient to constitute
"employment" by the Company.

          (s) "Exchange Act" means the Securities Exchange Act of 1934, as
amended from time to time, including rules thereunder and successor provisions
and rules thereto.

          (t) "Executive Officer" means an executive officer of the Company as
defined under the Exchange Act.

          (u) "Fair Market Value" means the fair market value of Stock, Awards,
or other property as determined by the Committee or the Board, or under
procedures established by the Committee or the Board. Unless otherwise
determined by the Committee or the Board, the Fair Market Value of Stock as of
any given date after which the Company is becomes a publicly held corporation
shall be the closing sale price per share reported on a consolidated basis for
stock listed on the principal stock exchange or market on which Stock is traded
on the date as of which such value is being determined or, if there is no sale
on that date, then on the last previous day on which a sale was reported.

          (v) "Incentive Stock Option" means any Option intended to be
designated as an incentive stock option within the meaning of Section 422 of the
Code or any successor provision thereto.

                                      -14-

<PAGE>

          (w) "Incumbent Board" means the Incumbent Board as defined in Section
7(b)(ii) of the Plan.

          (x) "Limited Stock Appreciation Right" means a right granted to a
Participant under Section 5(c) hereof.

          (y) "Nonqualified Stock Option" means an Option that by its terms does
not qualify or is not intended to qualify as an Incentive Stock Option.

          (z) "Option" means a stock option right granted to a Participant
pursuant to Section 5(b) of the Plan.

          (aa) "Optionee" means a person to whom an Option is granted under this
Plan or any person who succeeds to the rights of such person under this Plan.

          (bb) "Other Stock-Based Awards" means Awards granted to a Participant
under Section 5(f) hereof.

          (cc) "Parent" means a "parent corporation," whether now or hereafter
existing, as defined in Section 424(e) of the Code.

          (dd) "Participant" means a person who has been granted an Award under
the Plan which remains outstanding, including a person who is no longer an
Eligible Person.

          (ee) "Person" shall have the meaning ascribed to such term in Section
3(a)(9) of the Exchange Act and used in Sections 13(d) and 14(d) thereof, and
shall include a "group" as defined in Section 13(d) thereof.

          (ff) "Plan" means this amended and restated 2003 Incentive
Compensation Plan.

          (gg) "Related Entity" means any entity that is directly or indirectly
controlled by the Company or any entity in which the Company has a significant
equity interest, as determined by the Board or the Committee.

          (hh) "Restricted Stock" means Stock granted to a Participant under
Section 5(d) hereof, that is subject to certain restrictions and to a risk of
forfeiture.

          (ii) "Rule 16b-3" and "Rule 16a-1(c)(3)" means Rule 16b-3 and Rule
16a-1(c)(3), as from time to time in effect and applicable to the Plan and
Participants, promulgated by the Securities and Exchange Commission under
Section 16 of the Exchange Act.

          (jj) "Stock" means the Company's Common Stock, and such other as may
be substituted (or resubstituted) for Stock pursuant to Section 8(c) hereof.

          (kk) "Stock Appreciation Right" means a right granted to a Participant
under Section 5(c) hereof.

                                      -15-

<PAGE>

          (ll) "Subsidiary" means a "subsidiary corporation" whether now or
hereafter existing, as defined in Section 424(f) of the Code.

                                      -16-
<PAGE>

                            LIMELIGHT NETWORKS, INC.

                        2003 INCENTIVE COMPENSATION PLAN

                       NONQUALIFIED STOCK OPTION AGREEMENT

      1. Grant of Option.

<<NAME>>

<<ADDRESS>>

The undersigned Optionee has been granted an Option to purchase Common Stock of
the Company, subject to the terms and conditions of the Company's Amended and
Restated 2003 Incentive Compensation Plan (the "PLAN") and this Nonqualified
Stock Option Agreement (this "AGREEMENT"), as follows:

Date of Grant                               <<GrantDate>>

Vesting Commencement Date                   <<VestingStartDate>>

Exercise Price per Share                    $<<FMV>>

Total Number of Shares Granted              <<Numberofshares>>

Total Exercise Price                        $<<ExcerisePrice>>

Type of Option:                                        Incentive Stock Option

                                                 X     Nonqualified Stock Option

Term/Expiration Date:                       <<ExpDate>>

The Optionee hereby acknowledges receipt of a copy of the Plan and agrees to be
bound by all of the terms and conditions hereof and thereof and all applicable
laws and regulations.

      2. Definitions. Unless otherwise provided herein, terms used herein that
are defined in the Plan and not defined herein shall have the meanings
attributed thereto in the Plan.

      3. Vesting Schedule. Except as otherwise provided in Sections 7 or 10 of
this Agreement, or in the Plan, this Option shall be exercisable, in whole or in
part, according to the following vesting schedule:

      One-fourth (1/4th) of the total number of shares of common stock subject
      to the Option shall vest and become exercisable on the one (1) year
      anniversary of the Vesting Commencement Date, and an additional one
      forty-eighth (1/48th) of the total number of shares of common stock
      subject to the Option shall vest and become exercisable on the same day as
      the Vesting Commencement Date of each calendar month thereafter, provided
      that the Continuous Service of the Optionee continues through and on such
      date.

<PAGE>

      Upon the termination of the Optionee's Continuous Service with the Company
and its Related Entities, any unvested portion of the Option shall terminate and
be null and void, except as provided below.

      4. Method of Exercise. The vested portion of this Option shall be
exercisable in whole or in part in accordance with the vesting schedule set
forth in Section 3 hereof by written notice, in the form attached as Exhibit A
(the "Exercise Notice"), which shall state the election to exercise the Option,
the number of Shares in respect of which the Option is being exercised (the
"EXERCISED SHARES"), and such other representations and agreements as to the
holder's investment intent with respect to such Shares as may be required by the
Company pursuant to the provisions of the Plan. The Exercise Notice shall be
signed by the Optionee and shall be delivered in person or by certified mail to
the Secretary of the Company. The Exercise Notice shall be accompanied by
payment of the aggregate Exercise Price as to all Exercised Shares. This Option
shall be deemed to be exercised after both (a) receipt by the Company of such
fully executed Exercise Notice accompanied by such aggregate Exercise Price and
(b) arrangements that are satisfactory to the Committee or the Board in its sole
discretion have been made for Optionee's payment to the Company of the amount
that is necessary to be withheld in accordance with applicable Federal or state
withholding requirements. No Shares will be issued pursuant to the Option unless
and until such issuance and such exercise shall comply with all relevant
provisions of applicable law, including the requirements of any stock exchange
upon which the Shares then may be traded.

      5. Lock-Up Period. Optionee hereby agrees that Optionee shall not offer,
pledge, sell, contract to sell, sell any option or contract to purchase,
purchase any option or contract to sell, grant any option, right or warrant to
purchase, lend, or otherwise transfer or dispose of, directly or indirectly, any
Common Stock (or other securities) of the Company or enter into any swap,
hedging or other arrangement that transfers to another, in whole or in part, any
of the economic consequences of ownership of any Common Stock (or other
securities) of the Company held by Optionee (other than those included in the
registration) for a period specified by the representative of the underwriters
of Common Stock (or other securities) of the Company not to exceed one hundred
eighty (180) days following the effective date of any registration statement of
the Company filed under the Exchange Act (or such other period as may be
requested by the Company or the underwriters to accommodate regulatory
restrictions on (i) the publication or other distribution of research reports
and (ii) analyst recommendations and opinions, including, but not limited to,
the restrictions contained in NASD Rule 2711(f)(4) or NYSE Rule 472(f)(4), or
any successor provisions or amendments thereto).

      Optionee agrees to execute and deliver such other agreements as may be
reasonably requested by the Company or the underwriter which are consistent with
the foregoing or which are necessary to give further effect thereto. In
addition, if requested by the Company or the representative of the underwriters
of Common Stock (or other securities) of the Company, Optionee shall provide,
within ten (10) days of such request, such information as may be required by the
Company or such representative in connection with the completion of any public
offering of the Company's securities pursuant to a registration statement filed
under the Exchange Act. The obligations described in this Section 5 shall not
apply to a registration relating solely to employee benefit plans on Form S-1 or
Form S-8 or similar forms that may be

                                       2
<PAGE>

promulgated in the future, or a registration relating solely to a Commission
Rule 145 transaction on Form S-4 or similar forms that may be promulgated in the
future. The Company may impose stop-transfer instructions with respect to the
shares of Common Stock (or other securities) subject to the foregoing
restriction until the end of said one hundred eighty (180) day (or other)
period. Optionee agrees that any transferee of the Option or shares acquired
pursuant to the Option shall be bound by this Section 5.

      6. Method of Payment. Payment of the Exercise Price shall be by any of the
following, or a combination thereof, at the election of the Optionee: (a) cash;
(b) check; or (c) with Shares that have been held by the Optionee for at least 6
months (or such other Shares as the Company determines will not cause the
Company to recognize for financial accounting purposes a charge for compensation
expense), (d) consideration received by the Company under a cashless exercise
program implemented by the Company in connection with the Plan, or (e) such
other consideration or in such other manner as may be determined by the Board or
the Committee in its absolute discretion.

      7. Termination of Option.

            (a) This Option may be exercised only in accordance with the Plan
and the terms of this Agreement.

            (b) Any unexercised portion of the Option shall automatically and
without notice terminate and become null and void at the time of the earliest to
occur of:

                  (i) three months after the date on which the Optionee's
Continuous Service is terminated other than by reason of (A) Cause, which,
solely for purposes of this Agreement, shall mean the termination of the
Optionee's Continuous Service by reason of the Optionee's willful misconduct or
gross negligence, (B) a mental or physical disability (within the meaning of
Internal Revenue Code Section 22(e)) of the Optionee as determined by a medical
doctor satisfactory to the Committee or the Board, or (C) the death of the
Optionee;

                  (ii) immediately upon the termination of the Optionee's
Continuous Service for Cause;

                  (iii) twelve months after the date on which the Optionee's
Continuous Service is terminated by reason of a mental or physical disability
(within the meaning of Section 22(e) of the Code) as determined by a medical
doctor satisfactory to the Committee or the Board;

                  (iv) twelve months after the date of termination of the
Optionee's Continuous Service by reason of the death of the Optionee, or, if
later, (B) three months after the date on which the Optionee shall die if such
death shall occur during the one year period specified in Subsection 7(b)(iii)
hereof; or

                  (v) the tenth anniversary of the Date of Grant.

            (c) To the extent not previously exercised, (i) the Option shall
terminate immediately in the event of (1) the liquidation or dissolution of the
Company, or (2) any

                                       3
<PAGE>

reorganization, merger, consolidation or other form of corporate transaction in
which the Company does not survive or the Shares are converted into or exchanged
for securities issued by another entity, unless the successor or acquiring
entity, or an affiliate of such successor or acquiring entity, assumes the
Option or substitutes an equivalent option or right pursuant to Section 9(c) of
the Plan, and (ii) the Committee or the Board in its sole discretion may by
written notice ("CANCELLATION NOTICE") cancel, effective upon the consummation
of any corporate transaction described in Subsection 7(b)(i) of the Plan in
which the Company does survive, the Option (or portion thereof) that remains
unexercised on such date. The Committee or the Board shall give written notice
of any proposed transaction referred to in this Section 7(c) a reasonable period
of time prior to the closing date for such transaction (which notice may be
given either before or after approval of such transaction), in order that the
Optionee may have a reasonable period of time prior to the closing date of such
transaction within which to exercise the Option if and to the extent that it
then is exercisable (including any portion of the Option that may become
exercisable upon the closing date of such transaction). The Optionee may
condition his exercise of the Option upon the consummation of a transaction
referred to in this Section 7(c).

      8. Transferability. The Option granted hereby is not transferable
otherwise than by will or under the applicable laws of descent and distribution,
and during the lifetime of the Optionee the Option shall be exercisable only by
the Optionee, or the Optionee's guardian or legal representative. In addition,
the Option shall not be assigned, negotiated, pledged or hypothecated in any way
(whether by operation of law or otherwise), and the Option shall not be subject
to execution, attachment or similar process. Upon any attempt to transfer,
assign, negotiate, pledge or hypothecate the Option, or in the event of any levy
upon the Option by reason of any execution, attachment or similar process
contrary to the provisions hereof, the Option shall immediately become null and
void.

      9. No Rights of Stockholders. Neither the Optionee nor any personal
representative (or beneficiary) shall be, or shall have any of the rights and
privileges of, a stockholder of the Company with respect to any shares of Stock
purchasable or issuable upon the exercise of the Option, in whole or in part,
prior to the date of exercise of the Option.

      10. Acceleration of Exercisability of Option. This Option shall become
immediately fully exercisable in the event that, prior to the termination of the
Option pursuant to Section 7 hereof, there is a "Change in Control", as defined
in Section 7(b) of the Plan, that occurs during the Optionee's Continuous
Service and such "Change in Control" was not approved by the Board of Directors
of the Company.

      11. Law Governing. This Agreement shall be governed in accordance with and
governed by the internal laws of the State of Delaware.

      12. Interpretation / Provisions of Plan Control. This Agreement is subject
to all the terms, conditions and provisions of the Plan, including, without
limitation, the amendment provisions thereof, and to such rules, regulations and
interpretations relating to the Plan adopted by the Committee or the Board as
may be in effect from time to time. If and to the extent that this Agreement
conflicts or is inconsistent with the terms, conditions and provisions of the
Plan, the Plan shall control, and this Agreement shall be deemed to be modified
accordingly. The

                                       4
<PAGE>

Optionee accepts the Option subject to all the terms and provisions of the Plan
and this Agreement. The undersigned Optionee hereby accepts as binding,
conclusive and final all decisions or interpretations of the Committee or the
Board upon any questions arising under the Plan and this Agreement.

      13 Notices. Any notice under this Agreement shall be in writing and shall
be deemed to have been duly given when delivered personally or when deposited in
the United States mail, registered, postage prepaid, and addressed, in the case
of the Company, to the Company's President at 2220 West 14th Street, Tempe,
Arizona 85281, or if the Company should move its principal office, to such
principal office, and, in the case of the Optionee, to the Optionee's last
permanent address as shown on the Company's records, subject to the right of
either party to designate some other address at any time hereafter in a notice
satisfying the requirements of this Section.

      14. Tax Consequences. Set forth below is a brief summary as of the date of
this Option of some of the federal tax consequences of exercise of this Option
and disposition of the Shares. THIS SUMMARY IS NECESSARILY INCOMPLETE, AND THE
TAX LAWS AND REGULATIONS ARE SUBJECT TO CHANGE. OPTIONEE SHOULD CONSULT A TAX
ADVISER BEFORE EXERCISING THIS OPTION OR DISPOSING OF THE SHARES.

            (a) Exercise of Option. There may be a regular federal income tax
liability upon the exercise of the Option. The Optionee will be treated as
having received compensation income (taxable at ordinary income tax rates) equal
to the excess, if any, of the fair market value of the Shares on the date of
exercise over the exercise price. If Optionee is an employee, the Company will
be required to withhold from Optionee's compensation or collect from Optionee
and pay to the applicable taxing authorities an amount equal to a percentage of
this compensation income at the time of exercise.

            (b) Disposition of Shares. If Shares are held for more than one
year, any gain realized on disposition of the Shares will be treated as
long-term capital gain for federal income tax purposes.

            (c) Code Section 409A. Under Code Section 409A, an option that vests
after December 31, 2004 that was granted with a per share exercise price that is
determined by the Internal Revenue Service (the "IRS") to be less than the fair
market value of a share on the date of grant (a "DISCOUNT OPTION") may be
considered "deferred compensation". An option that is a "discount option" may
result in (i) income recognition by the optionee prior to the exercise of the
option, (ii) an additional twenty percent (20%) tax, and (iii) potential penalty
and interest charges. Optionee acknowledges that the Company cannot and has not
guaranteed that the IRS will agree that the per Share Exercise Price of this
Option equals or exceeds the Fair Market Value of a Share on the Date of Grant
in a later examination. Optionee agrees that if the IRS determines that the
Option was granted with a per Share Exercise Price that was less than the Fair
Market Value of a Share on the Date of Grant, Optionee will be solely
responsible for Optionee's costs related to such a determination.

                                       5
<PAGE>

      15. No Right to Continuous Service. Neither the Option nor this Agreement
shall confer upon the Optionee any right to Continuous Service with the Company.

      16. Additional Terms Applicable to California Residents. This Section 16
of the Agreement shall apply only to Optionee's receiving Nonqualified Stock
Options under the Plan if Optionee is a resident of the State of California.
Capitalized terms contained in this Section 16 shall have the same meanings
given to them in the Plan and the other sections of this Agreement, unless
otherwise provided in this Section 16. Notwithstanding any provisions contained
in the Plan or the Agreement to the contrary and to the extent required by
applicable law, the following terms shall apply to all options granted to
residents of the State of California, until such time as the Plan Administrator
amends this Section 16.

            (a) Options granted to a person who, at the time of grant of such
option, owns stock representing more than ten percent (10%) of the voting power
of all classes of stock of the Company or any Parent Corporation or Subsidiary,
shall have an exercise price not less than 110% of the Fair Market Value per
share of Stock on the date of grant. Nonqualified Stock Options granted to any
other person shall have an exercise price that is not less than 85% of the Fair
Market Value per share of Stock on the date of grant. Notwithstanding the
foregoing, options may be granted with a per Share exercise price other than as
required above in accordance with and pursuant to a transaction described in
Section 424 of the Code.

            (b) The term of each Option is provided for in Section 7 of this
Agreement, provided, however, that in no event shall the term be greater than
(10) years from the Date of Grant thereof.

            (c) Unless determined otherwise by the Committee or the Board,
options may not be sold, pledged, assigned, hypothecated, transferred, or
disposed of in any manner other than by will or the laws of descent and
distribution, and may be exercised during the lifetime of the Optionee, only by
the Optionee. If the Committee or the Board in its sole discretion makes an
option transferable, such option may only be transferred (i) by will, (ii) by
the laws of descent and distribution, or (iii) to family members (within the
meaning of Rule 701 of the Exchange Act) through gifts or domestic relations
orders, as permitted by Rule 701 of the Exchange Act.

            (d) Any Option granted hereunder shall be exercisable according to
the terms hereof at such times and under such conditions as determined by the
Committee or the Board and set forth in this Agreement. Except in the case of
options granted to officers, directors and consultants, options shall become
exercisable at a rate of no less than 20% per year over five (5) years from the
date the options are granted.

            (e) If Optionee's Continuous Service with the Company and its
Related Entities terminates other than for Cause, disability or death, the
Optionee may exercise his or her Option within thirty (30) days of termination,
or such longer period of time as specified in this Agreement, to the extent that
the Option is vested on the date of termination (but in no event later than the
expiration of the term of the Option as set forth in this Agreement).

            (f) If Optionee's Continuous Service with the Company and its
Related Entities terminates for Cause, the Optionee's Option will terminate
immediately upon such termination.

                                       6
<PAGE>

            (g) If Optionee's Continuous Service with the Company and its
Related Entities terminates as a result of Optionee's disability (within the
meaning of Section 22(e) of the Code), as determined by a medical doctor
satisfactory to the Committee or the Board, Optionee may exercise his or her
Option within six (6) months of termination, or such longer period of time as
specified elsewhere in this Agreement, to the extent the Option is vested on the
date of termination (but in no event later than the expiration of the term of
such Option as set forth in this Agreement).

            (h) If Optionee's Continuous Service with the Company and its
Related Entities terminates as a result of Optionee's death, the Option may be
exercised within six (6) months following Optionee's death, or such longer
period of time as specified in this Agreement, to the extent the Option is
vested on the date of termination (but in no event later than the expiration of
the term of such Option as set forth in this Agreement) by Optionee's designated
beneficiary, personal representative, or by the person(s) to whom the Option is
transferred pursuant to Optionee's will or in accordance with the laws of
descent and distribution.

            (i) No option shall be granted to a resident of California more than
ten (10) years after the earlier of the date of adoption of the Plan or the date
the Plan is approved by the shareholders.

            (j) The Company shall provide to Optionee, not less frequently than
annually during the period such Optionee has one or more options outstanding,
copies of annual financial statements. The Company shall not be required to
provide such statements to key employees whose duties in connection with the
Company assure their access to equivalent information.

            (k) Any right of repurchase of unvested shares of Stock on behalf of
the Company in the event of Optionee's termination of Continuous Service shall
be at the original Exercise Price set forth in this Agreement, provided that
such right to repurchase at the original Exercise Price shall lapse at a rate of
at least 20% of the shares per year over five (5) years from the date the Option
is granted (without respect to the date the Option was exercised or became
exercisable) and the right to repurchase shall be exercised for cash or
cancellation of indebtedness for the shares within 90 days of the termination of
Continuous Service (or in the case of securities issued upon exercise of options
after the date of termination, within 90 days after the date of exercise), and
the right of repurchase shall terminate when the Company's securities become
publicly traded. The foregoing notwithstanding, shares held by an officer,
director, manager or consultant of the Company may be subject to additional or
greater restrictions.

            (l) Any right of repurchase of vested shares of Stock on behalf of
the Company in the event of Optionee's termination of Continuous Service shall
be at the Fair Market Value of such shares on the repurchase date, provided that
the right to repurchase shall be exercised for cash or cancellation of
indebtedness for the shares within 90 days of the termination of employment (or
in the case of securities issued upon exercise of options after the date of
termination, within 90 days after the date of exercise). The foregoing
notwithstanding,

                                       7
<PAGE>

shares held by an officer, director, manager or consultant of the Corporation
may be subject to additional or greater restrictions.

            (m) In the event that any dividend or other distribution (whether in
the form of cash, shares of Stock, other securities, or other property),
recapitalization, stock split, reverse stock split, reorganization, merger,
consolidation, split-up, spin-off, combination, repurchase, or exchange of
shares of Stock or other securities of the Company, or other change in the
corporate structure of the Company affecting the shares of Stock occurs, the
Committee or the Board, in order to prevent diminution or enlargement of the
benefits or potential benefits intended to be made available under the Plan,
shall adjust the number and class of shares of Stock that may be delivered under
the Plan and/or the number, class, and price of such shares covered by each
outstanding option, including adjustments to the extent required by Section
25102(o) of the California Corporations Code.

            (n) This Section 16 is incorporated by reference into the Plan and
the Committee or the Board shall have the authority to amend this Section 16 in
accordance with Section 2 of the Plan.

      IN WITNESS WHEREOF, the undersigned have executed this Agreement effective
as of the ____ day of _________, ____.

                                       COMPANY:

                                       LIMELIGHT NETWORKS, INC.

                                       By:

                                       Name:

                                       Title:

         Optionee has consented to receiving a copy of the Company's most recent
prospectus describing the Plan via the Company's web site by executing the
attached Consent. Optionee also acknowledges that a complete copy of the Plan
document has been made available to him or her through the Company's web site.
This Notice shall constitute delivery of the Plan. Optionee has reviewed the
Plan and this Option in their entirety, has had an opportunity to obtain the
advice of counsel prior to executing this Option, and fully understands all
provisions of the Option.

Dated:                                 OPTIONEE:

                                       By:

                                       Print Name:

                                       8
<PAGE>

                                    EXHIBIT A

                        2003 INCENTIVE COMPENSATION PLAN

                    NONQUALIFIED STOCK OPTION EXERCISE NOTICE

Limelight Networks, Inc.
Attention: Chief Executive Officer
2220 W. 14th Street
Tempe, Arizona  85281

      1. Exercise of Option. The undersigned, (the "PURCHASER") was granted an
option (the "OPTION") to purchase shares of the common stock of Limelight
Networks, Inc. (the "COMPANY") on ___________________, _____, pursuant to the
Company's Amended and Restated 2003 Incentive Compensation Plan (the "PLAN") and
pursuant to the Nonqualified Stock Option Agreement dated __________________,
_____ (the "OPTION AGREEMENT"). Purchaser hereby elects to exercise the Option
as to a total of __________________ shares of the Stock of the Company (the
"SHARES"), all of which are vested, as determined in accordance with the Option
Agreement, subject to adjustment in accordance with Section 8(c) of the Plan,
the purchase price for the Shares shall be $_______________, as required by the
Option Agreement.

      2. Payment. Purchaser herewith delivers to the Company the full purchase
price for the Shares. Purchaser authorizes payroll withholding and otherwise
will make adequate provision for foreign, federal, state, and local tax
withholding obligations of the Company, if any.

      3. Binding Effect. Purchaser acknowledges that the Shares are being
acquired in accordance with and subject to the terms, provisions, and conditions
of the Plan and the Option Agreement. This Agreement shall inure to the benefit
of and be binding upon Purchaser's heirs, executors, administrators, successors,
and assigns.

      4. Rights as Shareholder. Until the issuance (as evidenced by the
appropriate entry on the books of the Company or a duly authorized transfer
agent of the Company) of the Shares, no right to vote or receive dividends or
any other rights as a shareholder shall exist with respect to the Shares
purchased hereby, notwithstanding the exercise of the Option. The Shares so
acquired shall be issued to the Purchaser as soon as practicable after exercise
of the Option. No adjustment will be made for a dividend or other right for
which the record date is prior to the date of issuance, except as provided in
Section 8(c) of the Plan.

      5. Transfer. Purchaser is aware that Rule 144, promulgated under the
Securities Act of 1933, which permits limited public resale of securities
acquired in a nonpublic offering, is not currently available with respect to the
Shares and, in any event, is available only if certain conditions are satisfied.
Purchaser understands that any sale of the Shares that might be made in reliance
upon Rule 144 may only be made in limited amounts in accordance with the terms
and conditions of such rule and that a copy of Rule 144 will be delivered to
Purchaser upon request.

<PAGE>

      6. Company's Right of First Refusal. Before any Shares held by Optionee or
any transferee (either being sometimes referred to herein as the "HOLDER") may
be sold or otherwise transferred (including transfer by gift or operation of
law), the Company or its assignee(s) shall have a right of first refusal to
purchase the Shares on the terms and conditions set forth in this Section 6 (the
"RIGHT OF FIRST REFUSAL").

            (a) Notice of Proposed Transfer. The Holder of the Shares shall
deliver to the Company a written notice (the "NOTICE") stating: (i) the Holder's
bona fide intention to sell or otherwise transfer such Shares; (ii) the name of
each proposed purchaser or other transferee ("PROPOSED TRANSFEREE"); (iii) the
number of Shares to be transferred to each Proposed Transferee; and (iv) the
bona fide cash price or other consideration for which the Holder proposes to
transfer the Shares (the "OFFERED PRICE"), and the Holder shall offer the Shares
at the Offered Price to the Company or its assignee(s).

            (b) Exercise of Right of First Refusal. At any time within thirty
(30) days after receipt of the Notice, the Company and/or its assignee(s) may,
by giving written notice to the Holder, elect to purchase all, but not less than
all, of the Shares proposed to be transferred to any one or more of the Proposed
Transferees, at the purchase price determined in accordance with subsection (c)
below.

            (c) Purchase Price. The purchase price ("PURCHASE PRICE") for the
Shares purchased by the Company or its assignee(s) under this Section 6 shall be
the Offered Price. If the Offered Price includes consideration other than cash,
the cash equivalent value of the non-cash consideration shall be determined by
the Board of Directors of the Company in good faith.

            (d) Payment. Payment of the Purchase Price shall be made, at the
option of the Company or its assignee(s), in cash (by check), by cancellation of
all or a portion of any outstanding indebtedness of the Holder to the Company
(or, in the case of repurchase by an assignee, to the assignee), or by any
combination thereof within thirty (30) days after receipt of the Notice or in
the manner and at the times set forth in the Notice.

            (e) Holder's Right to Transfer. If all of the Shares proposed in the
Notice to be transferred to a given Proposed Transferee are not purchased by the
Company and/or its assignee(s) as provided in this Section 6, then the Holder
may sell or otherwise transfer such Shares to that Proposed Transferee at the
Offered Price or at a higher price; provided that such sale or other transfer is
consummated within 120 days after the date of the Notice, that any such sale or
other transfer is effected in accordance with any applicable securities laws and
that the Proposed Transferee agrees in writing that the provisions of this
Section 6 shall continue to apply to the Shares in the hands of such Proposed
Transferee. If the Shares described in the Notice are not transferred to the
Proposed Transferee within such period, a new Notice shall be given to the
Company, and the Company and/or its assignees shall again be offered the Right
of First Refusal before any Shares held by the Holder may be sold or otherwise
transferred.

            (f) Exception for Certain Family Transfers. Anything to the contrary
contained in this Section 6 notwithstanding, the transfer of any or all of the
Shares during the Optionee's lifetime or on the Optionee's death by will or
intestacy to the Optionee's immediate family or a trust for the benefit of the
Optionee's immediate

                                       2
<PAGE>

family shall be exempt from the provisions of this Section 6. "IMMEDIATE FAMILY"
as used herein shall mean spouse, lineal descendant or antecedent, father,
mother, brother or sister. In such case, the transferee or other recipient shall
receive and hold the Shares so transferred subject to the provisions of this
Section 6, and there shall be no further transfer of such Shares except in
accordance with the terms of this Section 6.

            (g) Termination of Right of First Refusal. The Right of First
Refusal shall terminate as to any Shares upon the earlier of (i) the first sale
of Common Stock of the Company to the general public, or (ii) a Change in
Control in which the successor corporation has equity securities that are
publicly traded.

      7. Tax Consultation. Optionee understands that Optionee may suffer adverse
tax consequences as a result of Optionee's purchase or disposition of the
Shares. Optionee represents that Optionee has consulted with any tax consultants
Optionee deems advisable in connection with the purchase or disposition of the
Shares and that Optionee is not relying on the Company for any tax advice.

      8. Restrictive Legends and Stop-Transfer Orders

            (a) Legends. Optionee understands and agrees that the Company shall
cause the legends set forth below or legends substantially equivalent thereto,
to be placed upon any certificate(s) evidencing ownership of the Shares together
with any other legends that may be required by the Company or by state or
federal securities laws:

      THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE
      SECURITIES ACT OF 1933 (THE "ACT") AND MAY NOT BE OFFERED, SOLD OR
      OTHERWISE TRANSFERRED, PLEDGED OR HYPOTHECATED UNLESS AND UNTIL REGISTERED
      UNDER THE ACT OR, IN THE OPINION OF COMPANY COUNSEL SATISFACTORY TO THE
      ISSUER OF THESE SECURITIES, SUCH OFFER, SALE OR TRANSFER, PLEDGE OR
      HYPOTHECATION IS IN COMPLIANCE THEREWITH.

      THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO CERTAIN
      RESTRICTIONS ON TRANSFER AND A RIGHT OF FIRST REFUSAL HELD BY THE ISSUER
      OR ITS ASSIGNEE(S) AS SET FORTH IN THE EXERCISE NOTICE BETWEEN THE ISSUER
      AND THE ORIGINAL HOLDER OF THESE SHARES, A COPY OF WHICH MAY BE OBTAINED
      AT THE PRINCIPAL OFFICE OF THE ISSUER. SUCH TRANSFER RESTRICTIONS AND
      RIGHT OF FIRST REFUSAL ARE BINDING ON TRANSFEREES OF THESE SHARES.

      THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO RESTRICTIONS ON
      TRANSFER FOR A PERIOD NOT TO EXCEED 180 DAYS FOLLOWING THE EFFECTIVE DATE
      OF THE UNDERWRITTEN

                                       3
<PAGE>

      PUBLIC OFFERING OF THE COMPANY'S SECURITIES AND MAY NOT BE SOLD OR
      OTHERWISE DISPOSED OF BY THE HOLDER WITHOUT THE CONSENT OF THE COMPANY OR
      THE MANAGING UNDERWRITER.

            (b) Stop-Transfer Notices. Optionee agrees that, in order to ensure
compliance with the restrictions referred to herein, the Company may issue
appropriate "stop transfer" instructions to its transfer agent, if any, and
that, if the Company transfers its own securities, it may make appropriate
notations to the same effect in its own records.

            (c) Refusal to Transfer. The Company shall not be required (i) to
transfer on its books any Shares that have been sold or otherwise transferred in
violation of any of the provisions of this Exercise Notice or (ii) to treat as
owner of such Shares or to accord the right to vote or pay dividends to any
purchaser or other transferee to whom such Shares shall have been so
transferred.

      9. Successors and Assigns. The Company may assign any of its rights under
this Exercise Notice to single or multiple assignees, and this Exercise Notice
shall inure to the benefit of the successors and assigns of the Company. Subject
to the restrictions on transfer herein set forth, this Exercise Notice shall be
binding upon Optionee and his or her heirs, executors, administrators,
successors and assigns.

      10. Interpretation. Any dispute regarding the interpretation of this
Exercise Notice shall be submitted by Optionee or by the Company forthwith to
the Committee or the Board which shall review such dispute at its next regular
meeting. The resolution of such a dispute by the Committee or the Board shall be
final and binding on all parties.

      11. Governing Law; Severability. This Exercise Notice is governed by the
internal substantive laws but not the choice of law rules, of Delaware. In the
event that any provision hereof becomes or is declared by a court of competent
jurisdiction to be illegal, unenforceable or void, this Exercise Notice will
continue in full force and effect.

      12. Entire Agreement. The Plan and Option Agreement are incorporated
herein by reference. This Exercise Notice, the Plan and the Option Agreement
constitute the entire agreement of the parties with respect to the subject
matter hereof and supersede in their entirety all prior undertakings and
agreements of the Company and Optionee with respect to the subject matter
hereof, and may not be modified adversely to the Optionee's interest except by
means of a writing signed by the Company and Optionee.

                                       4
<PAGE>

      Purchaser agrees to promptly notify the Chief Financial Officer of the
Company if any of the Shares acquired pursuant to the Option are transferred
within one (1) year from the date of exercise of all or part of the Option or
within two (2) years of the Date of Grant of the Option.

         Purchaser's address of record is:

         Purchaser's Social Security Number is:

                                       Very truly yours,

                                       (Signature)

                                       (Purchaser's Name Printed)

Receipt of the above is hereby acknowledged.

LIMELIGHT NETWORKS, INC.

By:
       Print Name:
       Title:
       Dated:

                                       5

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