Ex-15 Sample Contracts

AMONG
Participation Agreement • April 29th, 2003 • Separate Acct Va K of First Allmerica Financial Life Ins Co • Massachusetts
PART A ------
Distribution Agreement • February 14th, 1997 • Bb&t Mutual Funds Group
WITNESSETH:
Administration Agreement • October 1st, 2003 • Pioneer Municipal High Income Advantage Trust • Massachusetts
AMENDMENT TO PARTICIPATION AGREEMENT
Participation Agreement • April 29th, 2003 • Separate Acct Va K of First Allmerica Financial Life Ins Co
JOINT FILING AGREEMENT
Joint Filing Agreement • August 23rd, 2004 • Citigroup Inc • National commercial banks

This will confirm the agreement by and among all of the undersigned that this Amendment No. 5 to Schedule 13D on or about this date with respect to the beneficial ownership by the undersigned of ChipPAC, Inc. is being, and any and all amendments to such Schedule may be, filed on behalf of each of the undersigned. This Agreement may be executed in two or more counterparts, each of which will be deemed an original, but all of which together shall constitute one and the same instrument.

Exhibit 15 REGISTRATION RIGHTS AGREEMENT Dated as of April 14, 2003
Registration Rights Agreement • April 16th, 2003 • Personnel Group of America Inc • Services-help supply services • New York
Exhibit 15 STOCK PURCHASE AGREEMENT
Stock Purchase Agreement • March 9th, 1999 • Global Industrial Technologies Inc • Abrasive, asbestos & misc nonmetallic mineral prods
RECITALS
Termination Agreement • December 4th, 1995 • Revco D S Inc • Retail-drug stores and proprietary stores • Delaware
AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT
Registration Rights Agreement • November 25th, 2015 • Global Defense & National Security Holdings LLC • Blank checks • New York

THIS AMENDED AND RESTATED REGISTRATION RIGHTS AGREEMENT is entered into as of November 23, 2015, by and between Global Defense & National Security Systems, Inc., a Delaware corporation (the “Company”), and Global Defense & National Security Holdings LLC (the “Investor”).

RECITALS --------
Restricted Stock Agreement • March 27th, 2000 • Prism Financial Corp • Mortgage bankers & loan correspondents • Delaware
STOCK PURCHASE AGREEMENT
Stock Purchase Agreement • April 16th, 1997 • Archon Communications Inc • Radio broadcasting stations
AMENDMENT #8 TO PARTICIPATION AGREEMENT DATED AS OF MARCH 21, 2000 (AS AMENDED AND SUPPLEMENTED FROM TIME TO TIME)
Participation Agreement • April 29th, 2003 • Separate Acct Va K of First Allmerica Financial Life Ins Co

WHEREAS, First Allmerica Financial Life Insurance Company, INVESCO Variable Investment Funds, Inc. and INVESCO Distributors, Inc. entered into a Fund Participation Agreement on March 21, 2000; and

between
Securities Purchase Agreement • March 25th, 1998 • Conseco Inc • Accident & health insurance • Indiana
RECITALS
Purchase Agreement • January 31st, 2006 • Lebow Bennett S • New York
RECITALS
Investment Agreement • August 27th, 1997 • Conseco Inc • Accident & health insurance • Delaware