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Exhibit 10.1    
    

                                ,
2005 

TC
Acquisition Corp.

1816 Fifth Street

Berkeley, CA 94710 

	Re:
	TC
Acquisition Corp. Initial Public Offering—Letter Agreement 

Dear
Ladies and Gentlemen: 

        This
letter is being delivered to you in accordance with the Underwriting Agreement (the "Underwriting
Agreement") entered into by and between TC Acquisition Corp., a Delaware corporation (the  "Company"), and Merriman Curhan Ford & Co., as Representative (the  "Representative") of the several
Underwriters named in Schedule I thereto (the  "Underwriters"), relating to an underwritten initial public offering (the  "IPO") of the Company's units (the
"Units"), each comprised of one share of the Company's common stock, par value $0.0001 per share (the
"Common Stock"), and one warrant, which is exercisable for one share of Common Stock (the "Warrant").
The capitalized terms set forth on Schedule 1 attached hereto are hereby incorporated by reference herein. 

        In
order to induce the Company and the Underwriters to enter into the Underwriting Agreement and to proceed with the IPO, and in recognition of the benefit that such IPO will confer upon
the undersigned as a stockholder of the Company, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the undersigned hereby agrees with the
Company as follows: 

        1.     If the Company solicits approval of its stockholders of a Business Combination, the undersigned shall vote all Insider
Shares owned by such person in accordance with the majority of the votes cast with respect to IPO Shares by the holders thereof. 

        2.     If a Transaction Failure occurs, the undersigned shall take all reasonable actions within such person's power to cause
(i) the Trust Fund to be liquidated and distributed to the holders of the IPO Shares as soon as practicable and in any event no later than the Termination Date, and (ii) the Company to
dissolve and liquidate as soon as practicable (the earliest date on which the conditions in clauses (i) and (ii) are both satisfied being the "Liquidation
Date").1 The undersigned hereby waives any and all right, title, interest or claim of any kind ("Claim") in or to
any distribution of the Trust Fund with respect to such person's Insider Shares, but only such Insider Shares and not with respect to any IPO Shares acquired by the undersigned, and hereby waives any
Claim the undersigned may have in the future as a result of, or arising out of, any contracts or agreements with the Company and agrees not to seek recourse for any Claim against the Trust Fund for
any reason whatsoever. The undersigned hereby agrees that the Company shall be entitled to a reimbursement from the undersigned for any distribution of the Trust Fund received by the undersigned in
respect to such person's Insider Shares. 

	1
	To
be included in the Letter Agreements with all Officers and Directors of the Company. 

        3.     The undersigned agrees to indemnify and hold harmless the Company, jointly and severally with
[                        ], against any and all losses, liabilities, claims, damages and expenses whatsoever (including, but not
limited to, any and all legal or other expenses
reasonably incurred in investigating, preparing or defending against any litigation, whether pending or threatened, or any claim whatsoever) actually incurred by the Company as a result or arising out
of any claim by any vendor that is owed money by the Company for services rendered or products sold, in each case, to the Company, or by any target business with which the Company has entered into a
written letter of intent, confidentiality or non-disclosure agreement or other written agreement, provided, however, that the amount of such 

 

indemnification
shall be limited only to the amount by which such losses, liabilities, claims, damages or expenses actually reduce the amount of funds in the Trust Fund.2 

	2
	Paragraph
3 to be included in the Letter Agreements for each of Mr. Majteles and MGS Partners, LLC 

        4.     In order to minimize potential conflicts of interest which may arise from multiple affiliations, the undersigned agrees to
present to the Company for its consideration, prior to presentation to any other person or entity, any suitable opportunity to acquire all or substantially all of the outstanding equity securities of,
or otherwise acquire (through merger, capital stock exchange, asset acquisition or other business combination), an operating business in the technology, media or telecommunications industries, until
the earlier of the consummation by the Company of a Business Combination, the distribution of the Trust Fund or until such time as the undersigned ceases to be an officer or director of the Company;  provided,
however, that the presentation of such opportunities to the Company shall in each case be subject to any fiduciary obligation of the
undersigned's arising from a fiduciary relationship established prior to the undersigned's fiduciary relationship with the Company.3 

	3
	Paragraph
4 to be included in the Letter Agreements for all Officers and Directors of the Company. 

        5.     The undersigned acknowledges and agrees that the Company will not consummate any Business Combination which involves a
company which is affiliated with any of the Insiders unless the Company obtains an opinion from an independent investment banking firm that is a member of the National Association of Securities
Dealers, Inc. that the business combination is fair to the Company's stockholders from a financial perspective.4 

	4
	Paragraph
5 to be included in the Letter Agreements for all Officers and Directors of the Company. 

        6.     The undersigned shall not, and shall cause the members of such person's Immediate Family and the affiliates of such person
not to, accept any compensation for services rendered to the Company prior to, or in connection with, the Business Combination; provided, that the
undersigned shall be entitled to receive reimbursement from the Company for such person's out-of-pocket expenses incurred in connection with seeking and consummating a Business
Combination as contemplated in the Prospectus. 

        7.     The undersigned shall not, and shall cause the members of such person's Immediate Family and the affiliates of such person
not to, accept a finder's fee or any other compensation in the event the undersigned, any member of such person's Immediate Family or any affiliate of such person originates a Business Combination. 

        8.     The undersigned hereby agrees to be
[the                        of the
Company][and][a member of the Board of Directors] of the Company until the earlier of (i) the Business Combination Date and
(ii) the Liquidation Date.5 

	5
	Paragraph
8 to be included in the Letter Agreements for all Officers and Directors. 

        9.     The undersigned represents and warrants that (i) the biographical information furnished to the Company and the
Representative and attached hereto as Exhibit A is true and accurate in all respects, does not omit any material information with respect to the
undersigned's background and contains all of the information required to be disclosed pursuant to Item 401 of Regulation S-K, promulgated under the Securities Act of 1933, as
amended, (ii) the questionnaires furnished by the 

2

 

undersigned
to the Company and the Representative and attached hereto as Exhibit B are true and accurate in all respects, and (iii) the undersigned has full right and power, without
violating any agreement (including, without limitation, any non-competition or non-solicitation agreement with any employer or former employer) by which the undersigned is
bound to enter into this letter agreement and to serve as [                        ][and][a member of the Board of Directors] of
the
Company. The undersigned further represents and warrants that: 

        (a)   The undersigned is not subject to or a respondent in any legal action for, any injunction,
cease-and-desist order or order or stipulation to desist or refrain from any act or practice relating to the offering of securities in any jurisdiction. 

        (b)   The undersigned has never been convicted of or pleaded guilty to any crime (i) involving any fraud or
(ii) relating to any financial transaction or handling of funds of another person, or (iii) pertaining to any dealings in any securities and such person is not currently a defendant in
any such criminal proceeding. 

        (c)   The undersigned has never been suspended or expelled from membership in any securities or commodities exchange or
association or had a securities or commodities license or registration denied, suspended or revoked. 

        (d)   The undersigned consents to being named in the Registration Statement as a[n]
[Officer] [Director] [Special Advisor] of the Company.6 

	6
	Paragraph
9 to be included in the Letter Agreements for all Officers, Directors and Special Advisors. 

        The
undersigned acknowledges and understands that the Underwriters and the Company will rely upon the agreements, representations and warranties set forth herein in proceeding with the
IPO. The Company and the undersigned acknowledge that the Representative is an intended third party beneficiary of the provisions of this letter agreement. In that regard, the Representative shall
have the right in its sole discretion, but not the obligation, to enforce the provisions of this letter agreement. Nothing contained herein shall be deemed to render the Representative (or any of the
Underwriters) a representative of, or a fiduciary with respect to, the Company, its stockholders, or any creditor or vendor of the Company with respect to the subject matter hereof. 

        This
letter agreement shall be binding on the undersigned and such person's respective successors, heirs, personal representatives and assigns. This letter agreement shall terminate on
the earlier of (i) the Business Combination Date and (ii) the Liquidation Date; provided that such termination shall not relieve the undersigned from liability for any breach of this
agreement prior to its termination. 

        This
letter agreement shall be governed by and interpreted and construed in accordance with the laws of the State of New York applicable to contracts formed and to be performed entirely
within the State of New York, without regard to the conflicts of law provisions thereof to the extent such principles or rules would require or permit the application of the laws of another
jurisdiction. 

        No
term or provision of this letter agreement may be amended, changed, waived, altered or modified except by written instrument executed and delivered by the party against whom such
amendment, change, waiver, alteration or modification is to be enforced. 

[The Remainder of this Page is Intentionally Left Blank]

3

 

	 
	 	 
	 	 
	 	 

	 	 	Sincerely,	 	 
	

 	
 	

By:	
 	

	 	 	 	 	Name:	 	 
	 	 	 	 	Title:	 	 

	 
	 	 
	 	 

	Accepted and agreed:	 	 
	

TC Acquisition Corp.	
 	

 
	

By:	
 	

	
 	

 
	Name:	 	Robert J. Majteles	 	 
	Title:	 	President	 	 

4

 
Exhibit 10.1  

 
 

Schedule 1    
    

 
 

SUPPLEMENTAL COMMON DEFINITIONS    
    

        Unless the context shall otherwise require, the following terms shall have the following respective meanings for all purposes, and the
following definitions are equally applicable to both the singular and the plural forms and the feminine, masculine and neuter forms of the terms defined.

        "Business Combination" shall mean the acquisition by the Company, whether by merger, capital stock exchange, asset acquisition or other
similar type of transaction of one or more operating businesses in the technology-related sector (collectively, the "Target Business") having,
collectively, a fair market value (as calculated in accordance with the Company's Certificate of Incorporation) at least equal to 80% of the Company's net assets at the time of such merger, capital
stock exchange, asset acquisition or other similar type of transaction; provided, that any acquisition of multiple operating businesses shall occur
contemporaneously with one another. 

        "Business Combination Date" shall mean the date upon which a Business Combination is consummated. 

        "Direct Offering" shall mean the 187,500 Units to be offered by the Company to MGS Partners, LLC or any other Insider concurrently with
the Units to be issued by the Company in the IPO. 

        "Effective Date" shall mean the date upon which the Registration Statement is declared effective under the Securities Act of 1933, as
amended, by the SEC. 

        "Immediate Family" shall mean, with respect to any person, such person's spouse, lineal descendents, father, mother, brothers or sisters
(including any such relatives by adoption or marriage). 

        "Independent Directors" shall mean the Company's directors that qualify as "independent" under NASD Rule 4200(a)(15), as amended. 

        "Insiders" shall mean all of the officers, directors and stockholders of the Company immediately prior to the Company's IPO. 

        "Insider Shares" shall mean (i) all shares of Common Stock of the Company owned by an Insider immediately prior to the Company's
IPO and (ii) all shares of Common Stock of the Company underlying the Units and the Warrants included in the Units issued to an Insider in the Direct Offering. For the avoidance of doubt,
Insider Shares shall not include any IPO Shares purchased by Insiders in connection with or subsequent to the Company's IPO. 

        "IPO Shares" shall mean all shares of Common Stock issued by the Company in its IPO, regardless of whether such shares were issued to an
Insider or otherwise; provided, however, the that the term IPO Shares shall not include any of the shares of Common Stock issued by the Company to an Insider in the Direct Offering. 

        "Prospectus" shall mean the final prospectus filed pursuant to Rule 424(b) under the Securities Act of 1933, as amended, and
included in the Registration Statement. 

        "Registration Statement" shall mean the registration statement filed by the Company on Form S-1
(No. 333-126355) with the SEC on July 1, 2005, and any amendment or supplement thereto, in connection with the Company's IPO. 

        "SEC" shall mean the United States Securities and Exchange Commission. 

5

 

        "Termination Date" shall mean the date that is sixty (60) calendar days immediately following the Transaction Failure Date. 

        "Transaction Failure" shall mean the earlier of (i) the failure to enter into a letter of intent, definitive agreement or agreement
in principle with respect to a Business Combination on any day during the eighteen-month period immediately following the Effective Date, and (ii) the failure to consummate a Business
Combination on any day during the twenty-four-month period immediately following the Effective Date. 

        "Transaction Failure Date" shall mean if a Transaction Failure first occurs as a result of the failure described in clause (i) of
the definition of "Transaction Failure", the 18-month anniversary of the Effective Date, and if a Transaction Failure first occurs as a result of the failure described in
clause (ii) of the definition of "Transaction Failure", the second anniversary of the Effective Date. 

        "Trust Fund" shall mean that certain trust account established with Continental Stock Transfer & Trust Company, as trustee, and in
which the Company deposited the "funds to be held in trust," as described in the Prospectus. 

6

 
 
 

Exhibit A    
    

 
 

BIOGRAPHY    
    

        [Insert Bio here] 

7

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Exhibit 10.1

Schedule 1

SUPPLEMENTAL COMMON DEFINITIONS

Exhibit A

BIOGRAPHYQuickLinks
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Exhibit 10.3    
    

                        ,
2005 

Merriman
Curhan Ford & Co.

        As representative of the several Underwriters

600 California Street, 9th Floor

San Francisco, California 90108 

	Re:
	TC Acquisition Corp.—Lock-up Agreement  

Dear Ladies and Gentlemen: 

        This
letter is being delivered to you in accordance with the Underwriting Agreement (the "Underwriting Agreement") entered into by and
between TC Acquisition Corp., a Delaware corporation (the "Company"), and Merriman Curhan Ford & Co., as Representative (the
"Representative") of the several Underwriters named in Schedule I thereto (the "Underwriters"),
relating to an underwritten initial public offering (the "IPO") of the Company's units (the "Units"),
each comprised of one share of the Company's common stock, par value $0.0001 per share (the "Common Stock"), and one warrant, which is exercisable for
one share of Common Stock (the "Warrant"), and the direct offering (the "Direct Offering") of certain
Units to MGS Partners, LLC. The Units sold in the Direct Offering will be identical to the Units sold in the IPO. The capitalized terms set forth on Schedule I attached hereto are hereby
incorporated by reference herein. 

        In
order to induce the Company and the Underwriters to enter into the Underwriting Agreement and to proceed with the IPO and the Direct Offering, and in recognition of the benefit that
such IPO (and, if applicable, the Direct Offering) will confer upon the undersigned as a stockholder of the Company,
and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the undersigned hereby agrees with the Representative that the undersigned will not
publicly announce any intention to, will not authorize any affiliate or subsidiary, if applicable, to, and will not, without the prior written consent of the Representative on behalf of the
Underwriters, directly or indirectly, (i) offer, pledge, sell, transfer or otherwise dispose of, by contract, option, right or otherwise, any Insider Shares beneficially owned by the
undersigned (within the meaning of Rule 13d-3 under the Securities Exchange Act of 1934, as amended) or lend, grant or otherwise transfer or dispose of any such Insider Shares, or
(ii) enter into any swap or other agreement that transfers, in whole or in part, any of the economic characteristics of ownership of such Insider Shares (whether any such transaction described
in clause (i) or (ii) above is to be settled by delivery of such Insider Shares, in cash or otherwise), during the Lock-Up Period. 

        Notwithstanding
the foregoing, the undersigned may (i) transfer Insider Shares either during such person's lifetime or, on death, by bona fide gifts, will or intestacy to members
of the undersigned's Immediate Family or to trusts exclusively for the benefit of members of the undersigned's Immediate Family, (ii) transfer Insider Shares pursuant to a qualified domestic
relations order, or (iii) transfer record ownership of the Insider Shares whereby there is no change in beneficial ownership; provided, however,
that, prior to any such transfer, such transferee executes an agreement, satisfactory to the Representative, pursuant to which such transferee agrees to receive and hold such Insider Shares subject to
the provisions hereof. 

        The
undersigned agrees that during the Lock-up Period the certificates representing such Insider Shares owned by the undersigned shall bear the legends set forth on
Exhibit A attached hereto. 

        The
undersigned acknowledges and understands that the Underwriters and the Company will rely upon the agreements set forth herein in proceeding with the IPO and the Direct Offering. The
undersigned agrees and consents to the entry of stop transfer instructions with the Company's transfer agent against the transfer of Insider Shares except in compliance with the terms and conditions
of this letter agreement. 

 

        This
letter agreement shall be binding on the undersigned and such person's respective successors, heirs, personal representatives and assigns. This letter agreement shall terminate on
the Lock-Up Period Termination Date. 

        This
letter agreement shall be governed by and interpreted and construed in accordance with the laws of the State of New York applicable to contracts formed and to be performed entirely
within the State of New York, without regard to the conflicts of law provisions thereof to the extent such principles or rules would require or permit the application of the laws of another
jurisdiction. 

        No
term or provision of this letter agreement may be amended, changed, waived, altered or modified except by written instrument executed and delivered by the party against whom such
amendment, change, waiver, alteration or modification is to be enforced. 

	 
	 	 
	 	 

	 	 	Sincerely,
	

 	
 	

By:	
 	

	 	 	Name:	 	

	 	 	Title:	 	

	 
	 	 
	 	 

	Accepted and agreed:	 	 
	

MERRIMAN CURHAN FORD & Co.	
 	

 
	

By:	
 	

	
 	

 
	Name:	 	
	 	 
	Title:	 	
	 	 

2

 
Exhibit 10.3  

 
 

SCHEDULE I
  SUPPLEMENTAL COMMON DEFINITIONS    
    

        Unless the context shall otherwise require, the following terms shall have the following respective meanings for all purposes, and the
following definitions are equally applicable to both the singular and the plural forms and the feminine, masculine and neuter forms of the terms defined.

        "Business Combination" shall mean the acquisition by the Company, whether by merger, capital stock exchange, asset acquisition or other
similar type of transaction of one or more operating businesses in the technology-related sector having, collectively, a fair market value (as calculated in accordance with the Company's Certificate
of Incorporation) at least equal to 80% of the Company's net assets at the time of such merger, capital stock exchange, asset acquisition or other similar type of transaction;  provided, that any
acquisition of multiple operating businesses shall occur contemporaneously with one another. 

        "Direct Shares" shall mean all shares of Common Stock issued by the Company in the Direct Offering and all shares of Common Stock issuable
upon the exercise of Warrants issued by the Company in the Direct Offering (such shares of Common Stock and Warrants issued as components of the Units issued in the Direct Offering). 

        "Immediate Family" shall mean, with respect to any person, such person's spouse, lineal descendents, father, mother, brothers or sisters
(including any such relatives by adoption or marriage). 

        "Insiders" shall mean all of the officers, directors and stockholders of the Company immediately prior to the Company's IPO. 

        "Insider Shares" shall mean all shares of Common Stock of the Company owned by an Insider immediately prior to the Company's IPO and all
Direct Shares purchased by an Insider in the Direct Offering. For the avoidance of doubt, Insider Shares shall not include any IPO Shares purchased by Insiders in connection with or subsequent to the
Company's IPO. 

        "IPO Shares" shall mean all shares of Common Stock issued by the Company in its IPO, regardless of whether such shares were issued to an
Insider or otherwise. 

        "Lock-Up Period" shall mean the period commencing on (inclusive of such date) the closing of the IPO and the Direct Offering
and the delivery of Units in connection therewith and ending on the earlier of (i) three years from the date of the prospectus pertaining to the IPO and the Direct Offering, (ii) the
Company's liquidation, and (iii) the consummation of a liquidation, merger, stock exchange or other similar transaction which results in all of the Company's stockholders having the right to
exchange their shares of Common Stock for cash, securities or other property subsequent to the Company's consummation of a Business Combination. 

        "Lock-Up Period Termination Date" shall mean the close of business on the last day of the Lock-Up Period. 

3

 
Exhibit 10.3  

 
 

EXHIBIT A
  LOCK-UP LEGENDS    
    

        THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. THEY MAY NOT BE SOLD, OFFERED FOR SALE, PLEDGED
OR HYPOTHECATED IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT AS TO THE SECURITIES UNDER SAID ACT OR AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED. 

        THE
SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO AN AGREEMENT BY THE REGISTERED HOLDER HEREOF NOT TO SELL SUCH SHARES UNTIL THE EARLIER OF (I) THREE YEARS FROM THE DATE
OF THE PROSPECTUS PERTAINING TO THE COMPANY'S INITIAL PUBLIC OFFERING AND THE CONCURRENT DIRECT
OFFERING, (II) THE COMPANY'S LIQUIDATION, AND (III) THE CONSUMMATION OF A LIQUIDATION, MERGER, STOCK EXCHANGE OR OTHER SIMILAR TRANSACTION WHICH RESULTS IN ALL OF THE COMPANY'S
STOCKHOLDERS HAVING THE RIGHT TO EXCHANGE THEIR SHARES OF COMMON STOCK FOR CASH, SECURITIES OR OTHER PROPERTY SUBSEQUENT TO THE COMPANY'S CONSUMMATION OF A BUSINESS COMBINATION, UNLESS AN OPINION OF
COUNSEL IS PROVIDED SATISFACTORY TO THE COMPANY THAT SUCH EARLIER SALE IS PERMISSIBLE UNDER THE AFOREMENTIONED AGREEMENT. 

4

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Exhibit 10.3

SCHEDULE I SUPPLEMENTAL COMMON DEFINITIONS

EXHIBIT A LOCK-UP LEGENDS

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