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 July 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 July 31, 2009 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.
Date: September 29, 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 July 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 July 31, 2009 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A.
Date: September 29, 2009
/s/ Steven D. Krichmar
______________________
Steven D. Krichmar
Principal Financial Officer
|
Attachment A |
N-CSR |
July 31, 2009 |
|
|
|
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 |