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 January 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 January 31, 2010 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.
Date: March 30, 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 January 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 January 31, 2010 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.
Date: March 30, 2010
/s/ Steven D. Krichmar
______________________
Steven D. Krichmar
Principal Financial Officer
| |
| Attachment A | |
| N-CSR | |
| Period (s) ended January 31, 2010 | |
| | |
| | |
| Putnam Premier Income Trust | |
| Putnam Research Fund | |
| Putnam Investors Fund | |
| Putnam Voyager Fund | |
| Putnam Vista Fund | |
| Putnam Tax Free High Yield Fund | |
| Putnam AMT-Free Insured Municipal Fund | |
| Putnam Growth Opportunities Fund | |
| The George Putnam Fund of Boston | |
| | |
| Putnam RetirementReady – Funds | |
| | |
| Putnam RetirementReady -- 2050 | |
| Putnam RetirementReady -- 2045 | |
| Putnam RetirementReady -- 2040 | |
| Putnam RetirementReady -- 2035 | |
| Putnam RetirementReady -- 2030 | |
| Putnam RetirementReady -- 2025 | |
| Putnam RetirementReady -- 2020 | |
| Putnam RetirementReady -- 2015 | |
| Putnam RetirementReady -- 2010 | |
| Putnam RetirementReady -- Maturity Fund | |
