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 June 30, 2007, 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 June 30, 2007 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.
Date: August 28, 2007
/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 June 30, 2007 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 June 30, 2007 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.
Date: August 28, 2007
/s/ Steven D. Krichmar
______________________
Steven D. Krichmar
Principal Financial Officer
| Attachment A | |||
| N-CSR | |||
| June 30, 2007 | |||
| 057 | Putnam Europe Equity Fund | ||
| 841 | Putnam International Equity Fund | ||
| 852 | Putnam New Opportunities Fund | ||
| 2HF | Putnam Small Cap Growth Fund | ||
| 2CE | Putnam International Growth & Income Fund | ||
| 377 | Putnam Discovery Growth Fund | ||
| 2PX | Putnam VT American Government Income Fund | ||
| 2TP | Putnam VT Capital Appreciation Fund | ||
| 23K | Putnam VT Capital Opportunities Fund | ||
| 2TJ | Putnam VT Discovery Growth Fund | ||
| 961 | Putnam VT Diversified Income Fund | ||
| 23N | Putnam VT Equity Income Fund | ||
| 2IS | Putnam VT The George Putnam Fund of Boston | ||
| 070 | Putnam VT Global Asset Allocation Fund | ||
| 016 | Putnam VT Global Equity Fund | ||
| 066 | Putnam VT Growth and Income Fund | ||
| 2PU | Putnam VT Growth Opportunities Fund | ||
| 2IW | Putnam VT Health Sciences Fund | ||
| 067 | Putnam VT High Yield Fund | ||
| 068 | Putnam VT Income Fund | ||
| 2DO | Putnam VT International Equity Fund | ||
| 2DN | Putnam VT International Growth and Income Fund | ||
| 2DP | Putnam VT International New Opportunities Fund | ||
| 2IO | Putnam VT Investors Fund | ||
| 23H | Putnam VT Mid Cap Value Fund | ||
| 069 | Putnam VT Money Market Fund | ||
| 098 | Putnam VT New Opportunities Fund | ||
| 2DR | Putnam VT New Value Fund | ||
| 2IP | Putnam VT OTC & Emerging Growth Fund | ||
| 2LA | Putnam VT Research Fund | ||
| 2MJ | Putnam VT Small Cap Value Fund | ||
| 152 | Putnam VT Utilities Growth and Income Fund | ||
| 2DQ | Putnam VT Vista Fund | ||
| 065 | Putnam VT Voyager Fund | ||