Attached files

file filename
10-K/A - FORM 10-K/A - MISSION WEST PROPERTIES INCmsw201110ka.htm
EX-31.2 - EXHIBIT 31.2 - MISSION WEST PROPERTIES INCexh31_2.htm
EX-31.3 - EXHIBIT 31.3 - MISSION WEST PROPERTIES INCexh31_3.htm
EXHIBIT 31.1


CERTIFICATION PURSUANT TO
RULE 13a-14(a) OF THE SECURITIES EXCHANGE ACT OF 1934

I, Carl E. Berg, certify that:

1.
I have reviewed this amendment No. 1 to the annual report on Form 10-K of Mission West Properties, Inc.;

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.
[Intentionally omitted]

4.
[Intentionally omitted]

5.
[Intentionally omitted]


Date: April 26, 2012
 
By: /s/ Carl E. Berg
 
Carl E. Berg
 
Chairman & Chief Executive Officer