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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

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    <TD COLSPAN="4" STYLE="font: bold 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: bold 12pt Times New Roman, Times, Serif; text-align: center">UNITED STATES</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif; text-align: center"><B>Washington, D.C. 20549</B></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: bold 18pt Times New Roman, Times, Serif; text-align: center">FORM 8-K</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD></TR>
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        <P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">CURRENT REPORT</P>
        <P STYLE="font: bold 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">Pursuant to Section 13 or 15(d) of the
        Securities Exchange Act of 1934</P></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD COLSPAN="4">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Date of Report (Date of the earliest event reported)</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"><U>September 11, 2015</U></P></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 18pt Times New Roman, Times, Serif; text-align: center"><FONT STYLE="font-size: 18pt"><B><U>ULTRALIFE CORPORATION</U></B></FONT></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center"><FONT STYLE="font-size: 9pt">(Exact name of registrant as specified in its charter)</FONT></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD STYLE="font: 11pt Times New Roman, Times, Serif; text-align: center"><B><U>Delaware</U></B></TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; text-align: center"><B><U>000-20852</U></B></TD>
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; text-align: center"><B><U>16-1387013</U></B></TD></TR>
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    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center"><FONT STYLE="font-size: 9pt">(State of incorporation)</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center"><FONT STYLE="font-size: 9pt">(Commission File Number)</FONT></TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center"><FONT STYLE="font-size: 9pt">(IRS Employer Identification No.)</FONT></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD COLSPAN="3" STYLE="font: normal 11pt Times New Roman, Times, Serif; text-align: center; text-decoration: underline"><B>2000
Technology Parkway, Newark, New York</B></TD>
    <TD STYLE="font: normal 11pt Times New Roman, Times, Serif; text-align: center; text-decoration: underline"><B>14513</B></TD></TR>
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    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center"><FONT STYLE="font-size: 9pt">(Address of principal executive offices)</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center"><FONT STYLE="font-size: 9pt">(Zip Code)</FONT></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 11pt Times New Roman, Times, Serif; text-align: center"><B><U>(315) 332-7100</U></B></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center"><FONT STYLE="font-size: 9pt">(Registrant&rsquo;s telephone number, including area code)</FONT></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="border-bottom: Black 1pt solid; font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 12pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):</FONT></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</FONT></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</FONT></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</FONT></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</FONT></TD></TR>
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    <TD COLSPAN="4" STYLE="font: 10pt Times New Roman, Times, Serif; border-bottom: Black 3pt ridge">&nbsp;</TD></TR>
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<P STYLE="font: 12pt/115% Times New Roman, Times, Serif; margin: 0 0 10pt"><FONT STYLE="font: 11pt Times New Roman, Times, Serif"><B>Item
8.01 Other Events</B></FONT></P>

<P STYLE="font: 12pt/115% Times New Roman, Times, Serif; margin: 0 0 10pt">On September 11, 2015, the Company adopted a written trading
plan under Rule 10b5-1 of the Securities and Exchange Act of 1934, as amended. The Company may utilize this plan to make purchases
of its common stock through October 30, 2015, covering a period during which it would otherwise be subject to a self-imposed trading
blackout. Repurchases under the previously announced repurchase plan and the trading plan are subject to the Securities and Exchange
Commission&rsquo;s regulations as well as certain price, market, volume and timing constraints specified in the plans.</P>



<P STYLE="margin: 0"><FONT STYLE="font: 11pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="margin: 0"><FONT STYLE="font: 11pt Times New Roman, Times, Serif"><B>SIGNATURES</B></FONT></P>

<P STYLE="margin: 0"><FONT STYLE="font: 11pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="margin: 0"><FONT STYLE="font: 11pt Times New Roman, Times, Serif">Pursuant to the requirements of the Securities Exchange
Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.</FONT></P>

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    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font: 11pt Times New Roman, Times, Serif"><B>ULTRALIFE CORPORATION</B></FONT></TD></TR>
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    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
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    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font: 11pt Times New Roman, Times, Serif">September
    15, 2015</FONT></TD>
    <TD STYLE="width: 6%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font: 11pt Times New Roman, Times, Serif">By:</FONT></TD>
    <TD STYLE="width: 44%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font: 11pt Times New Roman, Times, Serif">/s/
    Philip A. Fain</FONT></TD></TR>
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    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font: 11pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font: 11pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font: 11pt Times New Roman, Times, Serif">Chief Financial
    Officer and Treasurer</FONT></TD></TR>
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[{"type": "8-K", "sequence": "1", "filename": "tradingplan10b51_sept.htm", "description": "FORM 8-K - 10B5-1 TRADING PLAN", "secsgml_size_bytes": 12338}]
{"company-data": {"conformed-name": "ULTRALIFE CORP", "cik": "0000875657", "assigned-sic": "3690", "irs-number": "161387013", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-20852", "film-number": "151106680"}, "business-address": {"street1": "2000 TECHNOLOGY PARKWAY", "city": "NEWARK", "state": "NY", "zip": "14513", "phone": "3153327100"}, "mail-address": {"street1": "2000 TECHNOLOGY PARKWAY", "city": "NEWARK", "state": "NY", "zip": "14513"}, "former-company": {"former-conformed-name": "ULTRALIFE BATTERIES INC", "date-changed": "19940224"}}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
        Securities Exchange Act of 1934
Date of Report (Date of the earliest event reported)
September 11, 2015
ULTRALIFE CORPORATION
(Exact name of registrant as specified in its charter)
Delaware
000-20852
16-1387013
(State of incorporation)
(Commission File Number)
(IRS Employer Identification No.)
2000
Technology Parkway, Newark, New York
14513
(Address of principal executive offices)
(Zip Code)
(315) 332-7100
(Registrant's telephone number, including area code)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item
8.01 Other Events
On September 11, 2015, the Company adopted a written trading
plan under Rule 10b5-1 of the Securities and Exchange Act of 1934, as amended. The Company may utilize this plan to make purchases
of its common stock through October 30, 2015, covering a period during which it would otherwise be subject to a self-imposed trading
blackout. Repurchases under the previously announced repurchase plan and the trading plan are subject to the Securities and Exchange
Commission's regulations as well as certain price, market, volume and timing constraints specified in the plans.
SIGNATURES
Pursuant to the requirements of the Securities Exchange
Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.
ULTRALIFE CORPORATION
September
    15, 2015
By:
/s/
    Philip A. Fain
Chief Financial
    Officer and Treasurer