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 | ||