Section 906 Certifications
I, Jonathan S. Horwitz, 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 July 31, 2010 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 July 31, 2010 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.
Date: September 27, 2010
/s/ Jonathan S. Horwitz
______________________
Jonathan S. Horwitz
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 July 31, 2010 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 July 31, 2010 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.
Date: September 27, 2010
/s/ Steven D. Krichmar
______________________
Steven D. Krichmar
Principal Financial Officer
| | |
| Attachment A | | |
| N-CSR | | |
| Period (s) ended July 31, 2010 | | |
| | | |
| | | |
| | | |
| Putnam AMT- Free Municipal Fund | | |
| Putnam Tax-Free High Yield Fund | | |
| George Putnam Balanced Fund (formerly The George Putnam Fund of Boston) | |
| Putnam Voyager Fund | | |
| Putnam Research Fund | | |
| Putnam Vista Fund | | |
| Putnam Premier Income Trust | | |
| Putnam Investors Fund | | |
| Putnam Growth Opportunities Fund | | |
| | | |
| Putnam RetirementReady 2050 Fund | | |
| Putnam RetirementReady 2045 Fund | | |
| Putnam RetirementReady 2040 Fund | | |
| Putnam RetirementReady 2035 Fund | | |
| Putnam RetirementReady 2030 Fund | | |
| Putnam RetirementReady 2025 Fund | | |
| Putnam RetirementReady 2020 Fund | | |
| Putnam RetirementReady 2015 Fund | | |
| Putnam RetirementReady 2010 Fund | | |
| Putnam RetirementReady Maturity Fund | | |
