Exhibit 31.2

CERTIFICATION

I, Mary E. Sullivan, certify that:

1) I have reviewed this annual report on Form 10-K of Susser Holdings Corporation;

2) Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary
to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3) Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all
material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4) The registrants other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act
of 1934, as amended) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such
disclosure controls and procedures to be designed under my supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during
the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused
such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance
with generally accepted accounting practices;

c) evaluated the effectiveness of the registrants disclosure controls
and procedures and presented in this report my conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrants internal control over financial reporting that occurred during the
registrants fourth fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrants internal control over financial reporting; and

5) The registrants other certifying officer and I have disclosed, based on our most recent evaluation of internal control over
financial reporting, to the registrants auditors and the audit committee of the board of directors of the registrant:

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrants ability to record, process, summarize and
report financial information; and

b) any fraud, whether or not material, that involves management or other employees who
have a significant role in the registrants internal control over financial reporting.



|                     |  |  |  |                             |  |    |  |                                                     
|-------------------- |  |  |  | --------------------------- |  | -- |  | ----------------------------------------------------
|Date: March 14, 2008 |  |  |  | SUSSER HOLDINGS CORPORATION
|                     |  |  |  |                            
|                     |  |  |  |                             |  | By |  | /s/    MARY E. SULLIVAN                             
|                     |  |  |  |                             |  |    |  | Mary E. Sullivan                                    
|                     |  |  |  |                             |  |    |  | Executive Vice President and Chief Financial Officer