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  EXHIBIT 10.10    
    


        The Associated Group, Inc., a Delaware corporation ("AGI"), hereby executes this Instrument in order to become a party to the
Tax Sharing Agreement dated as of March 9, 1999, as amended by the First Amendment to the Tax Sharing Agreement dated as of May 28, 1999, the Second Amendment to the Tax Sharing
Agreement dated as of September 24, 1999, the Third Amendment to the Tax Sharing Agreement dated as of October 20, 1999, the Fourth Amendment to the Tax Sharing Agreement dated as of
October 28, 1999, the Fifth Amendment to the Tax Sharing Agreement dated as of December 6, 1999, the Sixth Amendment to the Tax Sharing Agreement dated as of December 10, 1999,
and the Seventh Amendment to the Tax Sharing Agreement dated as of December 30, 1999 (as amended, the "Agreement") between and among AT&T Corp., a New York corporation ("AT&T"), Liberty Media
Corporation, a Delaware corporation ("Liberty"), for itself and on behalf of each member of the Liberty Group (as defined in the Agreement), Tele-Communications, Inc., a Delaware
corporation, Liberty Ventures Group LLC, a Delaware limited liability company, Liberty Media Group LLC, a Delaware limited liability company, TCI Starz, Inc., a Colorado
corporation, TCI CT Holdings, Inc., a Delaware corporation, each Covered Entity listed on the signature pages thereof, and each entity which becomes a party to the Agreement pursuant to
Section 23 thereto. Upon the acceptance hereof by the other parties to the Agreement by execution hereof where indicated below, AGI will thereupon be a party to the Agreement as a member of the
Liberty Group (as defined in the Agreement). 

 






 



								
	 	Dated: January 14, 2000	 	THE ASSOCIATED GROUP, INC.
	
 	

 	
 	
 	
 	
By:	
 	
/s/ Charles Y. Tanabe







 
	 	 	 	 	 	Name:	 	Charles Y. Tanabe
	 	 	 	 	 	Title:	 	Senior Vice President
	
 	

AGREED AND ACCEPTED:	
 	

 	
 	

 
	
 	

AT&T CORP.	
 	
LIBERTY MEDIA CORPORATION, for itself and for

each member of the Liberty Group
	
 	
 By:	
 	
/s/ illegible







 	
 	
By:	
 	
/s/ Charles Y. Tanabe






 
	 	Name:	 	 	 	Name:	 	Charles Y. Tanabe
	 	Title:	 	 	 	Title:	 	Senior Vice President




 

 




 






 



								
	 	LIBERTY SP, INC.	 	LIBERTY AGI, INC.
	
 	
 By:	
 	
/s/ Charles Y. Tanabe







 	
 	
By:	
 	
/s/ Charles Y. Tanabe






 
	 	Name:	 	Charles Y. Tanabe	 	Name:	 	Charles Y. Tanabe
	 	Title:	 	Senior Vice President	 	Title:	 	Senior Vice President
	
 	

LMC INTERACTIVE, INC.	
 	
TELE-COMMUNICATIONS, INC.
	
 	
 By:	
 	
/s/ Charles Y. Tanabe







 	
 	
By:	
 	
/s/ Stephen M. Brett






 
	 	Name:	 	Charles Y. Tanabe	 	Name:	 	Stephen M. Brett
	 	Title:	 	Senior Vice President	 	Title:	 	Sr. Executive Vice President
	
 	

LIBERTY VENTURES GROUP LLC	
 	
LIBERTY MEDIA GROUP LLC
	
 	
 By:	
 	
/s/ Stephen M. Brett







 	
 	
By:	
 	
/s/ John C. Malone






 
	 	Name:	 	Stephen M. Brett	 	Name:	 	John C. Malone
	 	Title:	 	Vice President	 	Title:	 	Chairman
	
 	

TCI STARZ, INC.	
 	
TCI CT HOLDINGS, INC.
	
 	
 By:	
 	
/s/ Stephen M. Brett







 	
 	
By:	
 	
/s/ Charles Y. Tanabe






 
	 	Name:	 	Stephen M. Brett	 	Name:	 	Charles Y. Tanabe
	 	Title:	 	Vice President	 	Title:	 	Senior Vice President




 

 








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EXHIBIT 10.10