EXHIBIT A
Joint Filing Agreement
In accordance with Rule 13d-1(k) under the Securities Exchange Act
of 1934, as amended, the persons named below agree to the joint filing on behalf
of each of them of a statement on Schedule 13D (including amendments thereto)
with respect to the shares of Common Stock, par value $0.02 per share, of
Lifeline Systems, Inc., a Massachusetts corporation, and further agree that this
Joint Filing Agreement be included as an exhibit to such joint filing.
IN WITNESS WHEREOF, the undersigned have executed this Joint Filing
Agreement as of the 28th , day of October, 1998.
WESTAR SECURITY, INC.
By: /s/ Xxxx X. Xxxxx
------------------------------------
Name: Xxxx X. Xxxxx
Title: Executive Vice President
Date: October 28 , 1998
WESTAR CAPITAL, INC.
By: /s/ Xxxxxxx X. Xxxxxx
------------------------------------
Name: Xxxxxxx X. Xxxxxx
Title: Secretary and Treasurer
Date: October 28 , 1998
PROTECTION ONE, INC.
By: /s/ Xxxx X. Xxxxx
------------------------------------
Name: Xxxx X. Xxxxx
Title: Executive Vice President
Date: October 28 , 1998
DAFS01...:\23\68523\0008\2164\SCH0218M.33C
WESTERN RESOURCES, INC.
By: /s/ Xxxxxxx X. Xxxxxxx
------------------------------------
Name: Xxxxxxx X. Xxxxxxx
Title: Vice President, Law and Corporate
Secretary
Date: October 28 , 1998
Date: October 28 , 1998 /s/ Xxxx X. Xxxx
---------------------------------------
Xxxx X. Xxxx
Date: October 28 , 1998 /s/ Xxxx X. Xxxxx
---------------------------------------
Xxxx X. Xxxxx