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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. __)*

Rignet, Inc.

(Name of Issuer)

Common Stock,
(Title of Class of Securities)

766582100
(CUSIP Number)

December 31, 2010
(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

£ Rule 13d-1(b)
 
þ Rule 13d-1(c)
 
£ Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act, but shall be subject to all other provisions of the Act (however, see the Notes).


 
CUSIP No.  56035L104
Schedule 13G
Page 2 of Pages 16
 
1
Names of Reporting Persons
 
Sanders Morris Harris Private Equity Group I, L.P.
2
Check the Appropriate Box if a Member of a Group (See Instructions)
 
(a)           £
(b)           ■
3
SEC Use Only
 
 
4
Citizenship or Place of Organization
 
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
 
5
Sole Voting Power                                                                                              1,126,891(1)
 
6
Shared Voting Power
 
7
Sole Dispositive Power                                                                                       1,126,891(1)
 
8
Shared Dispositive Power
 
9
Aggregate Amount Beneficially Owned by Each Reporting Person                                    1,126,891
 
 
10
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)
 
£
11
Percent of Class Represented by Amount in Row (9)                                                             7.41%(2)
 
 
12
Type of Reporting Person (See Instructions)
 
PN

(1)           Includes 158,075 shares issuable upon exercise of currently exercisable warrants.

(2)           Based on 15,044,609 shares issued and outstanding.
 
2

 
CUSIP No.  56035L104
Schedule 13G
Page 3 of Pages 16
 
1
Names of Reporting Persons
 
SMH PEG Management I, LLC
2
Check the Appropriate Box if a Member of a Group (See Instructions)
 
(a)           £
(b)           ■
3
SEC Use Only
 
 
4
Citizenship or Place of Organization
 
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
 
5
Sole Voting Power                                                                                              1,126,891(1)
 
6
Shared Voting Power
 
7
Sole Dispositive Power                                                                                       1,126,891(1)
 
8
Shared Dispositive Power
 
9
Aggregate Amount Beneficially Owned by Each Reporting Person                                      1,126,891
 
 
10
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)
 
£
11
Percent of Class Represented by Amount in Row (9)                                                             7.41%(2)
 
 
12
Type of Reporting Person (See Instructions)
 
OO
 
(1)           Includes 1,126,891 shares beneficially owned by Sanders Morris Harris Private Equity Group I, L.P.

(2)           Based on 15,044,609 shares issued and outstanding.
 
3

 
CUSIP No.  56035L104
Schedule 13G
Page 4 of Pages 16
 
1
Names of Reporting Persons
 
SMH Private Equity Group II, L.P.
2
Check the Appropriate Box if a Member of a Group (See Instructions)
 
(a)           £
(b)           ■
3
SEC Use Only
 
 
4
Citizenship or Place of Organization
 
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
 
5
Sole Voting Power                                                                                              551,508
 
6
Shared Voting Power
 
7
Sole Dispositive Power                                                                                       551,508
 
8
Shared Dispositive Power
 
9
Aggregate Amount Beneficially Owned by Each Reporting Person                                      551,508
 
 
10
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)
 
£
11
Percent of Class Represented by Amount in Row (9)                                                             3.67%(1)
 
 
12
Type of Reporting Person (See Instructions)
 
PN
 
(1)           Based on 15,044,609 shares issued and outstanding.
 
4

 
CUSIP No.  56035L104
Schedule 13G
Page 5 of Pages 16
 
1
Names of Reporting Persons
 
SMH PEG Management II, LLC
2
Check the Appropriate Box if a Member of a Group (See Instructions)
 
(a)           £
(b)           ■
3
SEC Use Only
 
 
4
Citizenship or Place of Organization
 
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
 
5
Sole Voting Power                                                                                              561,672(1)
 
6
Shared Voting Power
 
7
Sole Dispositive Power                                                                                       561,672(1)
 
8
Shared Dispositive Power
 
9
Aggregate Amount Beneficially Owned by Each Reporting Person                                      561,672
 
 
10
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)
 
£
11
Percent of Class Represented by Amount in Row (9)                                                             3.73%(2)
 
 
12
Type of Reporting Person (See Instructions)
 
OO

(1)           Includes 551,507 shares beneficially owned by SMH Private Equity Group II, L.P.

(2)           Based on 15,044,609 shares issued and outstanding.
 
5

 
CUSIP No.  56035L104
Schedule 13G
Page 6 of Pages 16
 
1
Names of Reporting Persons
 
Charles L. Davis
2
Check the Appropriate Box if a Member of a Group (See Instructions)
 
(a)           £
(b)           ■
3
SEC Use Only
 
 
4
Citizenship or Place of Organization
 
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
 
5
Sole Voting Power                                                                                              1,696,563(1)
 
6
Shared Voting Power
 
7
Sole Dispositive Power                                                                                       1,696,563(1)
 
8
Shared Dispositive Power
 
9
Aggregate Amount Beneficially Owned by Each Reporting Person                                      1,696,563
 
 
10
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)
 
£
11
Percent of Class Represented by Amount in Row (9)                                                             11.28%(2)
 
 
12
Type of Reporting Person (See Instructions)
 
IN
 
(1)           Includes 1,126,891 shares beneficially owned by Sanders Morris Harris Private Equity Group I, L.P. and 561,672 shares beneficially owned by SMH Private Equity Group II, L.P. for which Mr. Davis serves as the Chief Investment Officer and exercises voting and dispositive power as manager of SMH PEG Management I, LLC and SMH PEG Management II, LLC, the general partners of such funds; thus, he may also be deemed to be the beneficial owner of these securities. Mr. Davis disclaims any beneficial ownership of the reported securities owned by Sanders Morris Harris Private Equity Group I, L.P., SMH Private Equity Group II, L.P., SMH PEG Management I, LLC, and SMH PEG Management II, LLC in excess of his pecuniary interest in such securities.

(2)           Based on 15,044,609 shares issued and outstanding.

6

 
CUSIP No.  56035L104
Schedule 13G
Page 7 of Pages 16
 
1
Names of Reporting Persons
 
Sanders Opportunity Fund, L.P.
2
Check the Appropriate Box if a Member of a Group (See Instructions)
 
(a)           £
(b)           ■
3
SEC Use Only
 
 
4
Citizenship or Place of Organization
 
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
 
5
Sole Voting Power                                                                                              114,407(1)
 
6
Shared Voting Power
 
7
Sole Dispositive Power                                                                                       114,407(1)
 
8
Shared Dispositive Power
 
9
Aggregate Amount Beneficially Owned by Each Reporting Person                                      114,407
 
 
10
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)
 
£
11
Percent of Class Represented by Amount in Row (9)                                                             0.76%(2)
 
 
12
Type of Reporting Person (See Instructions)
 
PN

(1)           Includes 11,717 shares issuable upon exercise of currently exercisable warrants.

(2)           Based on 15,044,609 shares issued and outstanding.

7

 
CUSIP No.  56035L104
Schedule 13G
Page 8 of Pages 16
 
1
Names of Reporting Persons
 
Sanders Opportunity Fund (Institutional), L.P.
2
Check the Appropriate Box if a Member of a Group (See Instructions)
 
(a)           £
(b)           ■
3
SEC Use Only
 
 
4
Citizenship or Place of Organization
 
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
 
5
Sole Voting Power                                                                                              386,512(1)
 
6
Shared Voting Power
 
7
Sole Dispositive Power                                                                                       386,512(1)
 
8
Shared Dispositive Power
 
9
Aggregate Amount Beneficially Owned by Each Reporting Person                                      386,512
 
 
10
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)
 
£
11
Percent of Class Represented by Amount in Row (9)                                                             2.56%(2)
 
 
12
Type of Reporting Person (See Instructions)
 
PN

(1)           Includes 39,798 shares issuable upon exercise of currently exercisable warrants.

(2)           Based on 15,044,609 shares issued and outstanding.
 
8

 
CUSIP No.  56035L104
Schedule 13G
Page 9 of Pages 16
 
1
Names of Reporting Persons
 
SOF Management, LLC
2
Check the Appropriate Box if a Member of a Group (See Instructions)
 
(a)           £
(b)           ■
3
SEC Use Only
 
 
4
Citizenship or Place of Organization
 
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
 
5
Sole Voting Power                                                                                              500,919(1)
 
6
Shared Voting Power
 
7
Sole Dispositive Power                                                                                       500,919(1)
 
8
Shared Dispositive Power
 
9
Aggregate Amount Beneficially Owned by Each Reporting Person                                      500,919
 
 
10
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)
 
£
11
Percent of Class Represented by Amount in Row (9)                                                             3.32%(2)
 
 
12
Type of Reporting Person (See Instructions)
 
OO
 
(1)           Includes 114,407 shares beneficially owned by Sanders Opportunity Fund, L.P. and 386,512 shares beneficially owned by Sanders Opportunity Fund (Institutional), L.P.

(2)           Based on 15,044,609 shares issued and outstanding.

9

 
CUSIP No.  56035L104
Schedule 13G
Page 10 of Pages 16
 
1
Names of Reporting Persons
 
Don A. Sanders
2
Check the Appropriate Box if a Member of a Group (See Instructions)
 
(a)           £
(b)           ■
3
SEC Use Only
 
 
4
Citizenship or Place of Organization
 
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
 
5
Sole Voting Power                                                                                              648,177(1)
 
6
Shared Voting Power
 
7
Sole Dispositive Power                                                                                       648,177(1)
 
8
Shared Dispositive Power                                                                                   86,256(2)
 
9
Aggregate Amount Beneficially Owned by Each Reporting Person                                      734,433
 
 
10
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)
 
£
11
Percent of Class Represented by Amount in Row (9)                                                             4.86%(3)
 
 
12
Type of Reporting Person (See Instructions)
 
IN
 
(1)           Includes 14,722 shares issuable upon exercise of currently exercisable warrants. Includes 114,407 shares beneficially owned by Sanders Opportunity Fund, L.P. and 386,512 shares beneficially owned by Sanders Opportunity Fund (Institutional), L.P. for which Mr. Sanders serves as the Chief Investment Officer and exercises voting and dispositive power as manager of SOF Management, LLC, the general partner of such funds; thus, he may also be deemed to be the beneficial owner of these securities. Mr. Sanders disclaims any beneficial ownership of the reported securities owned by Sanders Opportunity Fund, L.P., Sanders Opportunity Fund (Institutional), L.P. and SOF Management LLC in excess of his pecuniary interest in such securities.

(2)           Represents shares held in client brokerage accounts over which Mr. Sanders has shared dispositive power. Mr. Sanders disclaims beneficial ownership of all shares held in client brokerage accounts over which he has shared dispositive power.

(3)           Based on 15,044,609 shares issued and outstanding.

10

 
CUSIP No.  56035L104
Schedule 13G
Page 11 of Pages 16
 
1
Names of Reporting Persons
 
Sanders Morris Harris Inc.
2
Check the Appropriate Box if a Member of a Group (See Instructions)
 
(a)           £
(b)           ■
3
SEC Use Only
 
 
4
Citizenship or Place of Organization
 
United States
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH
 
5
Sole Voting Power
 
6
Shared Voting Power                                                                                       2,203,075(1)
 
7
Sole Dispositive Power
 
8
Shared Dispositive Power                                                                               2,203,075(1)
 
9
Aggregate Amount Beneficially Owned by Each Reporting Person                                               2,203,075
 
10
Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)
 
£
11
Percent of Class Represented by Amount in Row (9)                                                                     14.44%(2)
 
 
12
Type of Reporting Person (See Instructions)
 
CO
 
(1)           Includes 1,126,891 shares beneficially owned by SMH PEG Management I, LLC, as general partner of Sanders Morris Harris Private Equity Group I, L.P., 561,508 shares beneficially owned by SMH PEG Management II, LLC, as general partner of SMH Private Equity Group II, L.P., and 500, 919 shares beneficially owned by SOF Management, LLC., as general partner of Sanders Opportunity Fund, L.P. and Sanders Opportunity Fund (Institutional), L.P. Sanders Morris Harris Inc. is the sole member of SOF Management , LLC, owns a 51.36% member interest in SMH PEG Management I, LLC, and owns a 62.5% member interest in SMH PEG Management II, LLC. Sanders Morris Harris Inc. disclaims any beneficial ownership of the reported securities beneficially owned by SMH PEG Management I, LLC, SMH PEG Management II, LLC, and SOF Management LLC in excess of its pecuniary interest in such securities.

(2)           Based on 15,044,609 shares issued and outstanding.

11

 
CUSIP No.  56035L104
Schedule 13G
Page 12 of Pages 16

Item 1.

(a)  
Name of Issuer:   Rignet, Inc.

(b)  
Address of Issuer’s Principal Executive Offices

1880 S. Dairy Ashford, Suite 300
Houston , Texas 77077

Item 2.

(a)  
Name of Persons Filing:

Sanders Morris Harris Private Equity Group I, L.P.
SMH PEG Management I, LLC
SMH Private Equity Group II, L.P.
SMH PEG Management II, LLC
Charles L. Davis
Sanders Opportunity Fund (Institutional), L.P.
Sanders Opportunity Fund, L.P.
SOF Management, LLC
Don A. Sanders
Sanders Morris Harris Inc.

(b)  
Address of Principal Business Office or, if None, Resident:

600 Travis, Suite 5800
Houston, Texas 77002

(c)  
Citizenship:

Mr. Davis and Mr. Sanders are citizens of the United States of America.
Sanders Morris Harris Private Equity Group I, L.P., SMH Private Equity Group II, L.P., Sanders Opportunity Fund (Institutional), L.P., and Sanders Opportunity Fund, L.P. are Delaware limited partnerships.
SMH PEG Management I, LLC, SMH PEG Management II, LLC, and SOF Management, LLC are Delaware limited liability companies.
Sanders Morris Harris Inc. is a Texas corporation

(d)  
Title of Class of Securities:  Common Stock

(e)  
CUSIP Number:  766582100

Item 3.   If this statement is filed pursuant to §§ 240.13d-1(b), or 240.13d-2(b) or (c), check whether the persons filing are a:

(a)   
þ         Broker or dealer1 registered under section 15 of the Act (15 U.S.C. 78o);
 
(b)   
£         Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
 
(c)   
£         Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
 
(d)   
£         Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
 
________________________
1           Sanders Morris Harris Inc. is a registered broker and investment adviser. Mr. Davis and Mr. Sanders are employees of Sanders Morris Harris Inc.
 
12

 
CUSIP No.  56035L104
Schedule 13G
Page 13 of Pages 16

 
(e)   
þ         An investment adviser1 in accordance with § 240.13d-1(b)(1)(ii)(E);
 
(f)   
£         An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
 
(g)   
£         A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
 
(h)   
£         A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
   
(i)   
o         A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the
             Investment Company Act (15 U.S.C. 80a-3);
  
(j)   
£     A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J);
 
(k)   
£         Group, in accordance with § 240.13d-1(b)(1)(ii)(K).
 
If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:________________.

Item 4.    Ownership.

     
(c)
Number of Shares as to which the Person has:
 
(a)
(b)
(i)
(ii)
(iii)
(iv)
   Aggregate Beneficially Owned
Percent of Class(1)
Sole Power
to Vote or
Direct the
Vote
Shared
Power to
Vote or to
Direct the
Vote
 Sole Power
to Dispose
or to Direct
the Disposition
of
 Shared
Power to
Dispose or to
Direct the  Disposition
of
SMH Private Equity Group II, L.P.
551,508
3.67%
551,508
 
551,508
 
SMH PEG Management II, LLC
561,672(2)
3.73%
561,672(2
 
561,672(2)
 
Sanders Morris Harris Private Equity Group I, L.P.
1,126,891(3)
7.41%
1,126,891(3)
 
1,126,891(3)
 
SMH PEG Management I, LLC
1,126,891(4)
7.41%
1,126,891(4)
 
1,126,891(4)
 
Charles L. Davis
1,696,563(5)
11.28%
1,696,563(5)
 
1,696,563(5)
 
Sanders Opportunity Fund, L.P.
114,407(6)
0.76%
114,407(6)
 
114,407(6)
 
Sanders Opportunity Fund
 (Institutional), L.P.
386,512(7)
2.56%
386,512(7)
 
386,512(7)
 
SOF Management, LLC
500,919(8)
3.32%
500,919(9)
 
500,919(8)
 
Don A. Sanders
734,433(9)
4.86%
648,177(9)
86,256(10)
648,177(9)
86,256(10)
Sanders Morris Harris Inc.
2,203,075(11)
14.44%
 
2,203,075(11)
 
2,203,075(11)
 
(1)  Based on 15,044,609 shares issued and outstanding.
 
(2)  Includes 551,507 shares beneficially owned by SMH Private Equity Group II, L.P.
 
(3)  Includes 158,075 shares issuable upon exercise of currently exercisable warrants.
 
(4)  Includes 1,126,891 shares beneficially owned by Sanders Morris Harris Private Equity Group I, L.P.
 
(5) Includes 1,126,891 shares beneficially owned by Sanders Morris Harris Private Equity Group I, L.P. and 561,672 shares beneficially owned by SMH Private Equity Group II, L.P. for which Mr. Davis serves as the Chief Investment Officer and exercises voting and dispositive power as manager of SMH PEG Management I, LLC and SMH PEG Management II, LLC,  the general partners of such funds; thus, he may also be deemed to be the beneficial owner of these securities. Mr. Davis disclaims any beneficial ownership of the reported securities owned by Sanders Morris Harris Private Equity Group I, L.P., SMH Private Equity Group II, L.P., SMH PEG Management I, LLC, and SMH PEG Management II, LLC in excess of his pecuniary interest in such securities.
 
(6)  Includes 11,717 shares issuable upon exercise of currently exercisable warrants.
 
13

 
CUSIP No.  56035L104
Schedule 13G
Page 14 of Pages 16


(7)  Includes 39,798 shares issuable upon exercise of currently exercisable warrants.
 
(8)  Includes 114,407 shares beneficially owned by Sanders Opportunity Fund, L.P. and 386,512 shares beneficially owned by Sanders Opportunity Fund (Institutional), L.P.
 
(9)  Includes 14,722 shares issuable upon exercise of currently exercisable warrants. Includes 114,407 shares beneficially owned by Sanders Opportunity Fund, L.P. and 386,512 shares beneficially owned by Sanders Opportunity Fund (Institutional), L.P. for which Mr. Sanders serves as the Chief Investment Officer and exercises voting and dispositive power as manager of SOF Management, LLC, the general partner of such funds; thus, he may also be deemed to be the beneficial owner of these securities. Mr. Sanders disclaims any beneficial ownership of the reported securities owned by Sanders Opportunity Fund, L.P., Sanders Opportunity Fund (Institutional), L.P. and SOF Management LLC in excess of his pecuniary interest in such securities.
 
(10)  Represents shares held in client brokerage accounts over which Mr. Sanders has shared dispositive power. Mr. Sanders disclaims beneficial ownership of all shares held in client brokerage accounts over which he has shared dispositive power.
 
(11)  Includes 1,126,891 shares beneficially owned by SMH PEG Management I, LLC, as general partner of Sanders Morris Harris Private Equity Group I, L.P., 561,508 shares beneficially owned by SMH PEG Management II, LLC, as general partner of SMH Private Equity Group II, L.P., and 500, 919 shares beneficially owned by SOF Management, LLC., as general partner of Sanders Opportunity Fund, L.P. and Sanders Opportunity Fund (Institutional), L.P. Sanders Morris Harris Inc. is the sole member of SOF Management , LLC, owns a 51.36% member interest in SMH PEG Management I, LLC, and owns a 62.5% member interest in SMH PEG Management II, LLC. Sanders Morris Harris Inc. disclaims any beneficial ownership of the reported securities beneficially owned by SMH PEG Management I, LLC, SMH PEG Management II, LLC, and SOF Management LLC in excess of its pecuniary interest in such securities.

Item 5.   Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof any of the reporting persons has ceased to be the beneficial owner of more than five percent of the class of securities, check the following  £.

Item 6.   Ownership of More than Five Percent on Behalf of Another Person.

Not applicable.

Item 7.   Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

Not applicable.

Item 8.    Identification and Classification of Members of the Group.

Not applicable.

Item 9.    Notice of Dissolution of Group.

Not applicable.

Item 10.  Certifications.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are held in connection with or as a participant in any transaction having the purpose or effect.

14

 
CUSIP No.  56035L104
Schedule 13G
Page 15 of Pages 16


SIGNATURES

After reasonable inquiry and to the best of each of the undersigned's knowledge and belief, each of the undersigned certifies that the information set forth in this Schedule 13G is true, complete and correct.

Dated: February __, 2011
 
Sanders Morris Harris Private Equity Group I, L.P.
     
 
By:
SMH PEG Management I, LLC
     
 
By  
/s/ Charles L. Davis
   
Charles L. Davis, Manager
     
 
SMH PEG Management I, LLC
     
 
By  
/s/ Charles L. Davis
   
Charles L. Davis, Manager
     
 
SMH Private Equity Group II, L.P.
     
 
By:
SMH PEG Management II, LLC
     
 
By  
/s/ Charles L. Davis
   
Charles L. Davis, Manager
     
 
SMH PEG Management II, LLC
     
 
By  
/s/ Charles L. Davis
   
Charles L. Davis, Manager
     
 
Sanders Opportunity Fund, L.P.
     
 
By:  
SOF Management, LLC
     
 
By:  
/s/ Don A. Sanders
 
              
Don A. Sanders, Manager
     
 
Sanders Opportunity Fund (Institutional), L.P.
     
 
By:  
SOF Management, LLC
     
 
By: 
/s/ Don A. Sanders
 
              
Don A. Sanders, Manager
     
 
SOF Management, LLC
     
 
By:  
/s/ Don A. Sanders
 
Don A. Sanders, Manager
     
 
Sanders Morris Harris Inc.
     
 
By:
/s/ John T. Unger
   
John T. Unger, Senior Vice President and
General Counsel
     
 
/s/ Charles L. Davis
   
Charles L. Davis
     
 
/s/ Don A. Sanders
   
Don A. Sanders

15

 
CUSIP No.  56035L104
Schedule 13G
Page 16 of Pages 16


Schedule 13G Joint Filing Agreement
 
The undersigned and each other person executing this joint filing agreement (this “Agreement”) agree as follows:
 
The undersigned and each other person executing this Agreement are responsible for the timely filing of such Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of the undersigned or any other person executing this Agreement is responsible for the completeness or accuracy of the information statement concerning any other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.
 
After reasonable inquiry and to the best of my knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete, and correct
 
In Witness Whereof, the undersigned have caused this Agreement to be signed by their respective officers thereunto duly authorized as of the date set forth below.
 
Date: February 15, 2011
   
Signatures:
 
   
Sanders Morris Harris Private Equity Group I, L.P.
 
   
By: SMH PEG Management I, LLC
 
 
By  
/s/ Charles L. Davis  
 
Charles L. Davis, Manager
 
     
SMH PEG Management I, LLC
 
     
By  
/s/ Charles L. Davis  
 
Charles L. Davis, Manager
 
     
SMH Private Equity Group II, L.P.
 
     
By:
SMH PEG Management II, LLC  
     
By  
/s/ Charles L. Davis  
 
Charles L. Davis, Manager
 
     
SMH PEG Management II, LLC
 
     
By  
/s/ Charles L. Davis  
 
Charles L. Davis, Manager
 
     
Sanders Opportunity Fund, L.P.
 
     
By:  
SOF Management, LLC  
     
By:  
/s/ Don A. Sanders  
              
Don A. Sanders, Manager  
     
Sanders Opportunity Fund (Institutional), L.P.
 
     
By:  
SOF Management, LLC  
     
By:  
/s/ Don A. Sanders  
 
Don A. Sanders, Manager
 
     
SOF Management, LLC
 
     
By:  
/s/ Don A. Sanders  
              
Don A. Sanders, Manager  
     
Sanders Morris Harris Inc.
 
     
By:
/s/ John T. Unger  
 
John T. Unger, Senior Vice President and
 
 
General Counsel
 
     
/s/ Charles L. Davis
 
Charles L. Davis
 
     
/s/ Don A. Sanders
 
Don A. Sanders
 
 
 
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