Section 906 Certifications
I, Charles E. Porter, the Principal Executive Officer of the Funds listed on Attachment A, certify that, to my knowledge:
1. The form N-CSR of the Funds listed on Attachment A for the period ended March 31, 2009 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
2. The information contained in the Form N-CSR of the Funds listed on Attachment A for the period ended March 31, 2009 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.
Date: May 28, 2009
/s/ Charles E. Porter
______________________
Charles E. Porter
Principal Executive Officer
Section 906 Certifications
I, Steven D. Krichmar, the Principal Financial Officer of the Funds listed on Attachment A, certify that, to my knowledge:
1. The form N-CSR of the Funds listed on Attachment A for the period ended March 31, 2009 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
2. The information contained in the Form N-CSR of the Funds listed on Attachment A for the period ended March 31, 2009 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.
Date: May 28, 2009
/s/ Steven D. Krichmar
______________________
Steven D. Krichmar
Principal Financial Officer
| Attachment A | |
| N-CSR | |
| Period (s) ended March 31, 2009 | |
| Putnam Master Intermediate Income Trust | |
| Putnam California Tax Exempt Income Fund | |
| Putnam American Government Income Fund | |
| Putnam Tax Exempt Income Fund | |
| Putnam International New Opportunities Fund | |
| Putnam U.S. Government Income Trust | |
| Putnam Money Market Fund | |
| Putnam Tax Exempt Money Market Fund | |
| Putnam Diversified Income Trust | |
| Putnam Asset Allocation: Balanced Portfolio | |
| Putnam Asset Allocation: Growth Portfolio | |
| Putnam Asset Allocation: Conservative Portfolio | |