Sunpower (SPWRQ) 10-K/A 2012 FY Annual report (amended)

EXHIBIT 31.2

CERTIFICATIONS

I, Charles D. Boynton, certify that:

1 I have reviewed this Amendment No. 2 to the Annual Report on Form 10-K/A of SunPower 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 [omitted];

4 [omitted];

5 [omitted].

Date:  July 11, 2013

/S/ CHARLES D. BOYNTON

Charles D. Boynton

Executive Vice President and Chief Financial Officer

(Principal Financial Officer)