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| Section 906 Certifications
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| I, Jonathan S. Horwitz, the Principal Executive Officer of the Funds listed on Attachment A, certify that, to my knowledge: |
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1. The form N-CSR of the Funds listed on Attachment A for the period ended July 31, 2016 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and |
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2. The information contained in the Form N-CSR of the Funds listed on Attachment A for the period ended July 31, 2016 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A. |
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Date: September 28, 2016 |
|
/s/ Jonathan S. Horwitz |
| ______________________ |
| Jonathan S. Horwitz |
| Principal Executive Officer |
|
Section 906 Certifications
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| I, Steven D. Krichmar, the Principal Financial Officer of the Funds listed on Attachment A, certify that, to my knowledge: |
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1. The form N-CSR of the Funds listed on Attachment A for the period ended July 31, 2016 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and |
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2. The information contained in the Form N-CSR of the Funds listed on Attachment A for the period ended July 31, 2016 fairly presents, in all material respects, the financial condition and results of operations of the Funds listed on Attachment A. |
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Date: September 28, 2016 |
|
/s/ Steven D. Krichmar |
| ______________________ |
| Steven D. Krichmar |
| Principal Financial Officer |
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Attachment A |
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N-CSR |
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Period (s) ended July 31, 2016 |
| Putnam Premier Income Trust |
| Putnam Research Fund |
| Putnam Investors Fund |
| Putnam Voyager Fund |
| Putnam Tax-Free High Yield Fund |
| Putnam AMT-Free Municipal Fund |
| Putnam Growth Opportunities Fund |
| George Putnam Balanced Fund |
| Putnam Short Duration Income Fund |
| Putnam Short Term Investment Fund |
| Putnam Strategic Volatility Equity Fund |
| Putnam Low Volatility Equity Fund |
|
Putnam RetirementReady — Funds: |
| Putnam RetirementReady — 2060 |
| Putnam RetirementReady — 2055 |
| Putnam RetirementReady — 2050 |
| Putnam RetirementReady — 2045 |
| Putnam RetirementReady — 2040 |
| Putnam RetirementReady — 2035 |
| Putnam RetirementReady — 2030 |
| Putnam RetirementReady — 2025 |
| Putnam RetirementReady — 2020 |
| Putnam Retirement Income Fund Lifestyle 1 |
