Exhibit 10.1

THIRD AMENDMENT
THIRD AMENDMENT dated as of August 22, 2017 (this “Agreement”) to the Second
Amended and Restated Credit Agreement dated as of June 5, 2015 (as amended by
that certain First Amendment dated as of August 5, 2016 and that certain Second
Amendment dated as February 21, 2017 and as further amended, restated,
supplemented or otherwise modified from time to time, the “Credit Agreement”),
by and among On Assignment, Inc., a Delaware corporation (the “Borrower”), each
of the Tranche B-3 Term Lenders (as defined below), each other Lender party
hereto, and Wells Fargo Bank, National Association, as administrative agent for
the Lenders (in such capacity, the “Administrative Agent”). Wells Fargo
Securities, LLC acted as lead arranger and bookrunner (in such capacity, the
“Lead Arranger”) with respect to this Agreement and the transactions
contemplated hereby.

Statement of Purpose

WHEREAS the Borrower, the Lenders and the Administrative Agent are parties to
the Credit Agreement, pursuant to which the Lenders have extended certain credit
facilities to the Borrower, including, without limitation, the Tranche B-2 Term
Loans referred to below.

WHEREAS on the date hereof (but prior to giving effect to this Agreement), there
are outstanding Tranche B-2 Term Loans under the Credit Agreement in an
aggregate principal amount of $594,000,000.00.
WHEREAS the Borrower intends to incur a new class of term loans (the “Tranche
B-3 Term Loans”) and to concurrently (i) exchange a portion of such Tranche B-3
Term Loans in replacement of Tranche B-2 Term Loans pursuant to a cashless
settlement as described herein and (ii) to the extent any Tranche B-2 Term Loans
are not so exchanged, to (A) use the proceeds of the Tranche B-3 Term Loans to
refinance the Tranche B-2 Term Loans outstanding as of the Effective Date (as
defined below) after giving effect to such cashless settlement and/or (B) with
the consent of the Administrative Agent, to repay Tranche B-2 Term Loans of
Lenders not providing Tranche B-3 Term Commitments (as defined below).
WHEREAS the Borrower has requested that the Administrative Agent and the Lenders
agree to amend the Credit Agreement as more specifically set forth herein,
including, without limitation, to enable the Borrower to exchange Tranche B-3
Term Loans in replacement of Tranche B-2 Term Loans and to refinance the Tranche
B-2 Term Loans that are not so exchanged with proceeds of the Tranche B-3 Term
Loans on the Effective Date.
NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency
of which is hereby acknowledged, the parties hereto hereby agree as follows:
1.    Capitalized Terms. All capitalized undefined terms used in this Agreement
(including, without limitation, in the introductory paragraph and the Statement
of Purpose hereto) shall have the meanings assigned thereto in the Credit
Agreement.
2.    Tranche B-3 Term Loans.
(a)The Administrative Agent has made entries in the Register which set forth the
allocated commitments (the “Tranche B-3 Term Commitments”) received by it with
respect to the Tranche B-3 Term Loans from various financial institutions. The
Administrative Agent has notified each Tranche B-3 Term Lender (as defined
below) of its allocated Tranche B-3 Term Commitment. Subject to the satisfaction
or waiver of the conditions precedent set forth in Section 4 hereof and to the
provisions of Sections 2(c) and 12 hereof, each Person identified in the
Register as having a

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Tranche B-3 Term Commitment as of the Effective Date (each, a “Tranche B-3 Term
Lender”) agrees, severally and not jointly, to make, on the Effective Date, a
Tranche B-3 Term Loan to the Borrower in an aggregate principal amount equal to
its Tranche B-3 Term Commitment. Each Tranche B-3 Term Loan shall unless
otherwise elected by the applicable Existing Lender (as defined below), be made
pursuant to a cashless settlement option of such Existing Lender’s Tranche B-2
Term Loans as described herein and, if otherwise elected (or to the extent that
the Tranche B-3 Term Commitment of such Existing Lender exceeds the Tranche B-2
Term Loans of such Existing Lender), pursuant to a payment in cash to the
Administrative Agent, on behalf of the Borrower, to repay the outstanding
Tranche B-2 Term Loans that are not subject to such cashless settlement. The
Tranche B-3 Term Commitment of each Tranche B-3 Term Lender shall automatically
terminate upon the making of the Tranche B-3 Term Loans on the Effective Date.
The proceeds of the Tranche B-3 Term Loans shall be used by the Borrower on the
Effective Date solely to repay (or replace via cashless settlement) the
principal amount of the Tranche B-2 Term Loans outstanding as of the Effective
Date. The transactions contemplated by this Section 2(a) are collectively
referred to as the “Amendment Refinancing Transactions”.

(b)Immediately upon the consummation of the Amendment Refinancing Transactions,
each reference to the term “Tranche B-2 Term Loan” in the Credit Agreement and
the other Loan Documents shall be deemed to refer to the Tranche B-3 Term Loan.
Except as expressly provided in this Agreement, the Tranche B-3 Term Loans shall
be on terms identical to the Tranche B-2 Term Loans (including as to maturity,
amortization, Guarantors, Collateral (and ranking) and payment priority).

(c)Notwithstanding anything herein to the contrary, in connection with any
cashless settlement (i) each Lender holding Tranche B-2 Term Loans immediately
prior to the Effective Date (each such Lender, an “Existing Lender”) shall, in
lieu of its requirement to fund a Tranche B-3 Term Loan in accordance with
Section 2(a) hereof, be deemed to have made to the Borrower a Tranche B-3 Term
Loan on the Effective Date in an amount equal to the lesser of (A) the aggregate
principal amount of the Tranche B-2 Term Loans held by such Existing Lender
immediately prior to the Effective Date (such Existing Lender’s “Existing Term
B-2 Loan Amount”) and (B) such Existing Lender’s Tranche B-3 Term Commitment;
provided that if such Existing Lender’s Tranche B-3 Term Commitment exceeds such
Existing Lender’s Existing Term B-2 Loan Amount, then such Existing Lender shall
be required to fund a Tranche B-3 Term Loan on the Effective Date in accordance
with Section 2(a) hereof in an aggregate principal amount equal to such excess,
and (ii) the Borrower shall, in lieu of its obligation to prepay Tranche B-2
Term Loans of any Existing Lender in accordance with Section 2(a) hereof, be
deemed to have prepaid, on the Effective Date, an amount of the Tranche B-2 Term
Loans of each Existing Lender in an aggregate principal amount equal to the
lesser of (A) such Existing Lender’s Tranche B-2 Term Loans and (B) such
Existing Lender’s Tranche B-3 Term Commitment; provided that (1) if such
Existing Lender’s Tranche B-2 Term Loans exceed such Existing Lender’s Tranche
B-3 Commitment, then the Borrower shall be required to prepay in full, on the
Effective Date in accordance with Section 2(a) hereof, the outstanding principal
amount of the Tranche B-2 Term Loans of such Existing Lender not deemed to be
prepaid pursuant to this clause (ii) and (2) notwithstanding the operation of
this clause (ii), the Borrower shall be required to pay to such Existing Lender,
on the Effective Date, all accrued but unpaid interest and fees on the
outstanding principal amount of the Tranche B-2 Term Loans of such Existing
Lender immediately prior to the Effective Date.

(d)Notwithstanding anything herein to the contrary, each Existing Lender that
does not have a Tranche B-3 Term Commitment shall be repaid in full in cash with
respect to its Tranche

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B-2 Term Loans (which such repayment may, with the consent of the Administrative
Agent, be made from sources other than the Tranche B-3 Term Loans) and, by
execution of an Authorization as described below, each Tranche B-3 Term Loan
Lender hereby consents to the repayments described in this Section 2.

(e)Each Existing Lender party hereto hereby waives any requirement to pay any
amounts due and owing to it pursuant to Section 3.05 of the Credit Agreement as
a result of the Amendment Refinancing Transactions.

(f)Promptly following the Effective Date, all Term B Notes evidencing the
Tranche B-2 Term Loans shall be cancelled and returned to the Borrower, and any
Tranche B-3 Term Lender may request that its Tranche B-3 Term Loans be evidenced
by a Note pursuant to Section 2.11(a) of the Credit Agreement.

3.    Amendments to the Credit Agreement. The Credit Agreement is hereby amended
as follows:
(a)
Section 1.01 of the Credit Agreement is amended by:

(i)adding the following new defined term for “Third Amendment Effective Date” in
appropriate alphabetical order:

““Third Amendment Effective Date” means August 22, 2017.”;

(ii)amending and restating clause (a) of the definition of “Applicable Rate” as
follows:

“(a) with respect to the Term B Facility, 2.00% per annum for Eurodollar Rate
Loans and 1.00% per annum for Base Rate Loans; and”;
(iii)replacing each reference to “which appears on Reuters Screen LIBOR01 Page
(or any applicable successor page)” in the definition of “Eurodollar Rate” with
“as published by the ICE Benchmark Administration Limited, a United Kingdom
company,”;

(iv)replacing each reference to “does not appear on Reuters Screen LIBOR01 Page
(or any applicable successor page)” in the definition of “Eurodollar Rate” with
“is not so published”;

(v)deleting each reference to “in minimum amounts of at least $5,000,000” in the
definition of “Eurodollar Rate”; and

(vi)deleting the reference to “arranged by federal funds brokers on such day” in
the definition of “Federal Funds Rate”.

(b)Section 2.05(c) of the Credit Agreement is amended by replacing the reference
to “Second Amendment Effective Date” with “Third Amendment Effective Date”.

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4.    Conditions to Effectiveness. Upon the satisfaction or waiver of each of
the following conditions, this Agreement shall be deemed to be effective (the
date of such satisfaction, the “Effective Date”):

(a)    the Administrative Agent shall have received counterparts of this
Agreement executed by the Administrative Agent and the Borrower;

(b)    the Administrative Agent shall have received an executed signature page
or written authorization directing the Administrative Agent to execute this
Agreement on its behalf (each, an “Authorization”) from Lenders (that constitute
Required Lenders) and all of the initial Tranche B-3 Term Lenders;

(c)    the Administrative Agent shall have received counterparts of the
Acknowledgment and Reaffirmation attached hereto executed by each Subsidiary
Guarantor;

(d)    the Borrower shall have paid (i) to the Administrative Agent and the Lead
Arranger all fees and reasonable and documented out of pocket costs and expenses
incurred by them or their respective Affiliates in connection with this
Agreement and (ii) the reasonable and documented fees, disbursements and other
charges of one counsel for the Administrative Agent and its Affiliates, in each
case, to the extent invoiced at least one (1) Business Day prior to the
Effective Date;

(e)    the Borrower shall deliver or cause to be delivered a certificate in form
and substance reasonably satisfactory to the Administrative Agent and executed
by a Responsible Officer of the Borrower certifying that:

(i)either (A) the Organization Documents of each Loan Party have not been
amended, restated, supplemented or otherwise modified since the Closing Date (or
the most recent date of delivery to the Administrative Agent) or (B) attached
thereto are true, correct and complete copies of any amendments, supplements or
modifications of any Organization Documents entered into since the Closing Date
(or the most recent date of delivery to the Administrative Agent);

(ii)attached thereto are such resolutions or other action duly adopted by the
board of directors (or other governing body) of each Loan Party authorizing and
approving the transactions contemplated hereunder and, in the case of the
Borrower, the execution, delivery and performance of this Agreement and, in the
case of each other Loan Party, the execution, delivery and performance of the
Acknowledgment and Reaffirmation attached hereto; and

(iii)attached thereto are such certificates of good standing or the equivalent
from each Loan Party’s jurisdiction of organization or formation, as applicable;
and

(f)the Administrative Agent shall have received favorable opinions of legal
counsel to the Loan Parties, addressed to the Administrative Agent and each
Lender (and, subject to customary conditions, expressly permitting reliance by
the assigns of the Administrative Agent and each Lender), dated as of the
Effective Date.

Without limiting the generality of the provisions of Section 9.03 of the Credit
Agreement, for purposes of determining compliance with the conditions specified
in this Section 4, each Lender that has executed an

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Authorization shall be deemed to have consented to, approved or accepted or to
be satisfied with, each document or other matter required thereunder to be
consented to or approved by or acceptable or satisfactory to a Lender unless the
Administrative Agent shall have received notice from such Lender prior to the
proposed Effective Date specifying its objection thereto.
5.    Limited Effect. Except as expressly provided herein, the Credit Agreement
and the other Loan Documents shall remain unmodified and in full force and
effect. This Agreement shall not be deemed (a) to be a waiver of, consent to, or
a modification or amendment of any other term or condition of the Credit
Agreement or any other Loan Document, (b) to prejudice any right or rights which
the Administrative Agent or the Lenders may now have or may have in the future
under or in connection with the Credit Agreement or the other Loan Documents or
any of the instruments or agreements referred to therein, as the same may be
amended, restated, supplemented or modified from time to time, (c) to be a
commitment or any other undertaking or expression of any willingness to engage
in any further discussion with the Borrower or any of its Subsidiaries or any
other Person with respect to any other waiver, amendment, modification or any
other change to the Credit Agreement or the Loan Documents or any rights or
remedies arising in favor of the Lenders or the Administrative Agent, or any of
them, under or with respect to any such documents or (d) to be a waiver of, or
consent to, or a modification or amendment of, any other term or condition of
any other agreement by and among the Loan Parties, on the one hand, and the
Administrative Agent or any other Lender, on the other hand. References in the
Credit Agreement to “this Agreement” (and indirect references such as
“hereunder”, “hereby”, “herein”, “hereof” or other words of like import) and in
any other Loan Document to the “Credit Agreement” shall be deemed to be
references to the Credit Agreement as modified hereby. Without limiting the
generality of the foregoing, the execution and delivery of this Agreement shall
not constitute a novation of any indebtedness or other obligations owing to the
Lenders or the Administrative Agent under the Credit Agreement based on facts or
events occurring or existing prior to the execution and delivery of this
Agreement. On the Effective Date, the credit facilities described in the Credit
Agreement, shall be continued by the facilities described herein, and, subject
to terms hereof, all loans and other obligations of the Borrower outstanding as
of such date under the Credit Agreement, shall be deemed to be loans and
obligations outstanding under the corresponding facilities described herein,
without any further action by any Person, except that the Administrative Agent
shall make such transfers of funds as are necessary in order that the
outstanding balance of such Loans, together with any Loans funded on the
Effective Date, reflect the respective Commitments of the Lenders.

6.    Representations and Warranties. The Borrower represents and warrants that
(a) it has the corporate power and authority to execute, deliver and perform
this Agreement, (b) it has taken all necessary corporate action to authorize the
execution, delivery and performance of this Agreement, (c) this Agreement has
been duly executed and delivered on behalf of the Borrower, (d) this Agreement
constitutes a legal, valid and binding obligation of the Borrower, enforceable
against it in accordance with its terms, except as enforceability may be limited
by applicable bankruptcy, insolvency, reorganization, moratorium or similar laws
affecting the enforcement of creditors’ rights generally and by general
equitable principles (whether enforcement is sought by proceedings in equity or
at law), (e) after giving effect to this Agreement, each of the representations
and warranties made by it in or pursuant to the Loan Documents is true and
correct in all material respects (except to the extent that such representation
and warranty is subject to a materiality or Material Adverse Effect qualifier,
in which case it shall be true and correct in all respects), in each case on and
as of the Effective Date as if made on and as of the Effective Date, except to
the extent that such representations and warranties relate to an earlier date,
in which case such representations and warranties are true and correct in all
material respects (except to the extent that such representation and warranty is
subject to a materiality or Material Adverse Effect qualifier, in which case it
shall be true and correct in all respects) as of such earlier date and (f) after
giving effect to this Agreement, no Default shall have occurred and be
continuing.

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7.    Reaffirmation. By its execution hereof, Borrower hereby expressly (a)
affirms that each of the Liens granted in or pursuant to the Loan Documents are
valid and subsisting and (b) agrees that this Agreement shall in no manner
impair or otherwise adversely affect any of the Liens granted in or pursuant to
the Loan Documents.

8.    Execution in Counterparts. This Agreement may be executed by one or more
of the parties to this Agreement on any number of separate counterparts, and all
of said counterparts taken together shall be deemed to constitute one and the
same instrument. Delivery of an executed counterpart of a signature page of this
Agreement by facsimile or other electronic imaging means (e.g. “pdf” or “tif”)
shall be effective as delivery of an original executed counterpart hereof.

9.    Governing Law. THIS AGREEMENT AND ANY CLAIM, CONTROVERSY, DISPUTE OR CAUSE
OF ACTION (WHETHER IN CONTRACT OR TORT OR OTHERWISE) BASED UPON, ARISING OUT OF
OR RELATING TO THIS AGREEMENT AND THE TRANSACTIONS CONTEMPLATED HEREBY SHALL BE
GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAW OF THE STATE OF NEW YORK.
10.    Entire Agreement. This Agreement is the entire agreement, and supersedes
any prior agreements and contemporaneous oral agreements, of the parties
concerning its subject matter.
11.    Successors and Assigns. This Agreement shall be binding on and inure to
the benefit of the parties and their heirs, beneficiaries, successors and
permitted assigns.
12.    Cashless Settlement.     Each of the Existing Lenders executing and
delivering an Authorization that elects a cashless settlement (each, a “Cashless
Authorization”) is a Lender of record holding as of the date of its Cashless
Authorization the principal amount set forth in the Register of Tranche B-2 Term
Loans outstanding (which excludes accrued interest and other non-principal
amounts owing, if any) under the Credit Agreement (with respect to such Existing
Lender, such principal amount, the “Existing Principal” and such Loans, the
“Existing Loans”) and has requested a cashless settlement in its Cashless
Authorization.

Pursuant to this Agreement, the Tranche B-3 Term Lenders will make new Tranche
B-3 Term Loans under the Credit Agreement to the Borrower for the purpose of
replacing the Existing Loans. The Borrower hereby offers to each Existing Lender
to exchange the Allocated Amount (as defined below) of the Existing Loans held
by such Existing Lender on the Effective Date for Tranche B-3 Term Loans in an
aggregate principal amount equal to the Allocated Amount so exchanged, which
shall be evidenced and governed by the Credit Agreement and the related Loan
Documents as defined therein (such Allocated Amount so exchanged, the “Allocated
Loans”), and each Existing Lender providing a Cashless Authorization hereby
agrees to accept such offer of exchange.

For purposes of this Agreement, the term “Allocated Amount” shall mean, with
respect to any Existing Lender, an aggregate principal amount, not to exceed the
amount of the Existing Principal of such Existing Lender outstanding on the
Effective Date immediately prior to giving effect to this Agreement, determined
by the Administrative Agent in consultation with the Borrower and notified to
the Borrower and each Existing Lender.

Upon satisfaction or waiver of the conditions precedent set forth in Section 4
of this Agreement (including, without limitation, the Borrower paying to the
Administrative Agent, for the account of each Existing Lender, all interest and
other non-principal amounts then due and owing by the Borrower to such

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Existing Lender in respect of such Existing Lender’s Existing Loans on the
Effective Date) and the funding of the Tranche B-3 Term Loans on the Effective
Date, and notwithstanding anything to the contrary contained in the Credit
Agreement, the Borrower’s obligations in respect of the Existing Loans of each
Existing Lender in the amount equal to such Existing Lender’s Allocated Amount
shall be deemed to have been satisfied; provided that if the Allocated Amount
with respect to any Existing Lender is less than the Existing Loans of such
Lender, then the difference shall be repaid to the extent set forth in and in
accordance with the terms of this Agreement. Upon the Administrative Agent
marking the Register as contemplated below, each Existing Lender shall become a
“Lender” pursuant to, and for all purposes under, the Credit Agreement with
respect to the Allocated Loans. The Administrative Agent’s determination and
entry and completion of the Register shall be conclusive, in each case, absent
clearly demonstrable error. For the avoidance of doubt, it is acknowledged and
agreed between the Borrower and each Existing Lender that (i) the Allocated
Loans shall be initially made by the Tranche B-3 Term Lenders on the Effective
Date, (ii) the Tranche B-3 Term Lenders shall not be required to pay any amount
with respect to the Allocated Loans made by any of them, and the Administrative
Agent shall not be required to pay any amount with respect to any of the
Allocated Loans, but such Allocated Loans shall be transferred to such Existing
Lender by marking the Register as contemplated below, and (iii) notwithstanding
anything to the contrary contained in the Credit Agreement, each Existing Lender
providing a Cashless Authorization has agreed to accept, as satisfaction in full
of its right to receive payment of the Existing Principal under the Credit
Agreement in the amount equal to such Existing Lender’s Allocated Amount, the
right to receive for no additional consideration Allocated Loans in accordance
herewith. Notwithstanding anything to the contrary, each Existing Lender agrees
to waive its right to compensation for any amounts owing under Section 3.05 of
the Credit Agreement.

By executing and delivering a Cashless Authorization, each Existing Lender
(a) represents and warrants to the Lead Arranger, the Administrative Agent and
the other Lenders that (i)(A) it has full power and authority, and has taken all
action necessary, to execute and deliver its Cashless Authorization and to
consummate the transactions contemplated hereby and thereby and to become a
Lender under the Credit Agreement in respect of the Allocated Loans, and (B)
neither its execution and delivery of the Cashless Authorization nor the
consummation of the transactions contemplated hereby or thereby conflict with
such Existing Lender’s organizational documents or material contracts or with
any applicable law, (ii) from and after the Effective Date, it shall be bound by
the provisions of the Credit Agreement as a Lender thereunder and, to the extent
of the Allocated Loans, shall have the obligations of a Lender thereunder and
(iii) it has received a copy of this Agreement, together with copies of the most
recent financial statements delivered pursuant to Section 6.01 of the Credit
Agreement, as applicable, and such other documents and information as it has
deemed appropriate to make its own credit analysis and decision to enter into
its Cashless Authorization and this Agreement and to accept the Allocated Loans,
on the basis of which it has made such analysis and decision independently and
without reliance on the Lead Arranger, the Administrative Agent, or any other
Lender; and (b) agrees that (i) it will, independently and without reliance on
the Lead Arranger, the Administrative Agent or any other Lender, and based on
such documents and information as it shall deem appropriate at the time,
continue to make its own credit decisions in taking or not taking action under
the Loan Documents, (ii) it will perform in accordance with their terms all of
the obligations which by the terms of the Loan Documents are required to be
performed by it as a Lender thereunder, and (iii) it hereby irrevocably
appoints, designates and authorizes the Administrative Agent to take such action
on its behalf under the provisions of the Credit Agreement and each other Loan
Document and to exercise such powers and perform such duties as are expressly
delegated to it by the terms of the Credit Agreement or any other Loan Document,
together with such powers as are reasonably incidental thereto, including,
without limitation, pursuant to Article IX of the Credit Agreement.
    

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In order to evidence the exchange contemplated above, the Administrative Agent
has notified the Borrower that, upon the occurrence of the Effective Date (and
the payment of all interest and other non-principal amounts then due and owing
by the Borrower to such Existing Lender in respect of such Existing Lender’s
Existing Loans on the Effective Date), it will mark the Register to reflect (a)
the Existing Loans of each Existing Lender in the amount equal to such Existing
Lender’s Allocated Amount as no longer outstanding and (b) that each Existing
Lender is a Lender under the Credit Agreement upon the occurrence of the
Effective Date in respect of its Allocated Loans. None of the Administrative
Agent, the Lead Arranger, any other agent, or any of their respective affiliates
(each of the foregoing, an “Agent-Related Person”), shall be liable to any
Existing Lender, any other Lender, the Borrower or any of their respective
affiliates, equity holders or debt holders for any losses, costs, damages or
liabilities incurred, directly or indirectly, as a result of any Agent-Related
Person, or their counsel or other representatives, taking any action in
accordance with the Cashless Authorization or this Agreement or executing a
Cashless Authorization or this Agreement.

13.    Agreement Regarding Tranche B-3 Term Lenders. Each of the parties hereto
(including, by its execution of an Authorization each Tranche B-3 Term Lender)
agrees that effective as of the Effective Date any Person executing such
Authorization (a) shall be an “Term B Lender” and a “Lender” for all purposes of
the Credit Agreement and the other Loan Documents, (b) shall perform all of the
obligations that are required to be performed by it as such under the Loan
Documents and (c) shall be entitled to the benefits, rights and remedies as such
set forth in the Loan Documents. 
14.    Agreement Regarding Assignments. Notwithstanding anything to the contrary
contained in the Credit Agreement (including, without limitation, Section 10.06
thereof) or any other Loan Document, the Borrower hereby agrees that its consent
shall not be required with respect to any assignment of any Tranche B-3 Term
Loans during the primary syndication of the Tranche B-3 Term Loans (which period
shall begin on the Effective Date and end on the sixtieth (60th) day following
the Effective Date) to financial institutions that have been identified in the
allocations for the Tranche B-3 Term Loans that were previously provided by the
Lead Arranger to the Borrower. 
[Signature Pages Follow]

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IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed
under seal by their duly authorized officers, all as of the day and year first
written above.

BORROWER:    ON ASSIGNMENT, INC., as Borrower

By:        
Name: James L. Brill
Title: Treasurer
    

ADMINISTRATIVE AGENT:
WELLS FARGO BANK, NATIONAL ASSOCIATION,

as Administrative Agent and a Lender

By:        
Name:
Title:

    

On Assignment, Inc.
Third Amendment
Signature Page

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ACKNOWLEDGMENT AND REAFFIRMATION

August 22, 2017

By its execution hereof, each Subsidiary Guarantor hereby expressly (a)
represents and warrants that (i) it has the corporate or limited liability
company, as applicable, power and authority to execute, deliver and perform this
Acknowledgment and Reaffirmation, (ii) it has taken all necessary corporate or
other action to authorize the execution, delivery and performance of this
Acknowledgment and Reaffirmation, (iii) this Acknowledgment and Reaffirmation
has been duly executed and delivered on behalf of such Person, and (iv) this
Acknowledgment and Reaffirmation constitutes a legal, valid and binding
obligation of such Person, enforceable against it in accordance with its terms,
except as enforceability may be limited by applicable bankruptcy, insolvency,
reorganization, moratorium or similar laws affecting the enforcement of
creditors’ rights generally and by general equitable principles (whether
enforcement is sought by proceedings in equity or at law), (b) consents to the
Third Amendment dated as of the date hereof, by and among On Assignment, Inc., a
Delaware corporation, the lenders party thereto and Wells Fargo Bank, National
Association, as administrative agent for the lenders (the “Agreement”; all
capitalized undefined terms used herein shall have the meanings assigned in the
Agreement and if not defined in the Agreement, shall have the meanings assigned
thereto in the Credit Agreement) and (c) acknowledges that the covenants,
representations, warranties and other obligations set forth in the Credit
Agreement and the other Loan Documents to which it is a party remain in full
force and effect. In furtherance of the foregoing, each Subsidiary Guarantor (i)
affirms that each of the Liens granted in or pursuant to the Loan Documents are
valid and subsisting and (ii) agrees that the Agreement shall in no manner
impair or otherwise adversely affect any of the Liens granted in or pursuant to
the Loan Documents.

[Signature Page Follows]

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SUBSIDIARY GUARANTORS:    LAB SUPPORT, LLC
CREATIVE CIRCLE, LLC

By:    On Assignment, Inc., as sole member

By: ___________________________________
Name: James L. Brill
Title: Treasurer

CYBERCODERS, INC.

By: ___________________________________
Name: Rose Cunningham
Title:     Treasurer

APEX SYSTEMS, LLC
APEX LIFE SCIENCES, LLC (formerly known as ON ASSIGNMENT STAFFING SERVICES, LLC)
OXFORD GLOBAL RESOURCES, LLC

By: ___________________________________
Name: James L. Brill
Title:     Treasurer

CYBERCODERS STAFFING SERVICES, LLC

By:    CyberCoders, Inc., as sole member

By: ___________________________________
Name: Rose Cunningham
Title: Treasurer

HIM STAFFING SERVICES, LLC

By:    Oxford Global Resources, LLC, as sole member
    

By: ___________________________________
Name: James L. Brill
Title: Treasurer

On Assignment, Inc.
Third Amendment
Acknowledgment and Reaffirmation
Signature Page