Joint Filing Agreement

Exhibit 99.1

Joint Filing Agreement

In accordance with Rule 13d-1(k) promulgated under the U.S. Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13D referred to below) on behalf of each of them of a Statement on Schedule 13D (including amendments thereto) with respect to the ordinary shares of DKK5 each and American Depositary Shares, of TDC A/S, a Danish public limited company, and that this Joint Filing Agreement may be included as an Exhibit to such joint filing.  This Joint Filing Agreement may be executed in any number of counterparts, all of which together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of January 25, 2005.

NORDIC TELEPHONE COMPANY APS
By:	/s/ Xxxxxxx Xxxxxx
Name:	Xxxxxxx Xxxxxx
Title:	Director
By:	/s/ Xxxxxxx Xxxxxx
Name:	Xxxxxxx Xxxxxx
Title:	Director
NORDIC TELEPHONE COMPANY INVESTMENT APS
By:	/s/ Xxxxxxx Xxxxxx
Name:	Xxxxxxx Xxxxxx
Title:	Director
By:	/s/ Xxxxxxx Xxxxxx
Name:	Xxxxxxx Xxxxxx
Title:	Director

S1

Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira Europe III G.P. Limited as general partner of	)	Alternate Director
Permira Europe III G.P. L.P. as	)
general partner of Permira Europe III L.P. 1	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira Europe III G.P. Limited as general partner of	)	Alternate Director
Permira Europe III G.P. L.P. as	)
general partner of Permira Europe III L.P. 2	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira Europe III G.P. Limited as general partner of	)	Alternate Director
Permira Europe III G.P. L.P. as	)
Managing limited partner of Permira Europe III GmbH & Co. KG	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira Nominees Limited as nominee for	)	Alternate Director
Permira Investments Limited	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira Europe III G.P. Limited as administrator of	)	Alternate Director
Permira Europe III Co-investment Scheme	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira Europe III G.P. Limited as general partner of	)	Alternate Director
Permira Europe III G.P. L.P.	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira Europe III G.P. Limited	)	Alternate Director
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of Permira Holdings Limited	)	Xxxxxxxx Xxxxx
	)	Alternate Director

S2

Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira Europe II Managers L.P. as	)	Alternate Director
general partner of Permira Europe II L.P. 1,	)
acting by its general partner	)
Permira (Europe) Limited	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira Europe II Managers L.P. as	)	Alternate Director
general partner of Permira Europe II L.P. 2	)
acting by its general partner	)
Permira (Europe) Limited	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf	)	Xxxxxxxx Xxxxx
Permira Europe II Managers L.P. as	)	Alternate Director
Managing general partner of	)
Permira Europe II C.V. 3	)
acting by its general partner	)
Permira (Europe) Limited	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira Europe II Managers L.P. as	)	Alternate Director
Managing general partner of	)
Permira Europe II C.V. 4	)
acting by its general partner	)
Permira (Europe) Limited	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira (Europe) Limited as manager of	)	Alternate Director
Permira Europe II Co-investment Scheme	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
SV (Nominees) Limited as nominee for	)	Alternate Director
Xxxxxxxx Ventures Investments Limited	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira Europe II Managers L.P.	)	Alternate Director
acting by its general partner	)
Permira (Europe) Limited	)
Signed by	)	/s/ Xxxxxxxx Xxxxx
for and on behalf of	)	Xxxxxxxx Xxxxx
Permira (Europe) Limited	)	Alternate Director

S3

Signed by for and on behalf of
KKR Millennium Fund (Overseas), Limited Partnership
By: KKR Associates Millennium (Overseas), Limited Partnership, its general partner
By: KKR Millennium Limited, its general partner
By:	/s/ Xxxxx Xxxxxx
	Name:	Xxxxx Xxxxxx
	Title:	Authorized Person
Signed by for and on behalf of
KKR Associates Millennium (Overseas), Limited Partnership
By:KKR Millennium Limited, its general partner
By:	/s/ Xxxxx Xxxxxx
	Name:	Xxxxx Xxxxxx
	Title:	Authorized Person
Signed by for and on behalf of KKR Millennium Limited
By:	/s/ Xxxxx Xxxxxx
	Name:	Xxxxx Xxxxxx
	Title:	Authorized Person

S4

Signed by
for and on behalf of
KKR European Fund II, Limited Partnership
By: KKR Associates Europe II, Limited Partnership, its general partner
By: KKR Europe II Limited, its general partner
By:	/s/ Xxxxx Xxxxxx
	Name: Xxxxx Xxxxxx
	Title: Authorized Person
Signed by
for and on behalf of
KKR Associates Europe II, Limited Partnership
By: KKR Europe II Limited, its general partner
By:	/s/ Xxxxx Xxxxxx
	Name: Xxxxx Xxxxxx
	Title: Authorized Person
Signed by
for and on behalf of
KKR Europe II Limited
By:	/s/ Xxxxx Xxxxxx
	Name: Xxxxx Xxxxxx
	Title: Authorized Person
Signed by
for and on behalf of
KKR Partners (International) Limited Partnership
By: KKR 1996 Overseas Limited
By:	/s/ Xxxxx Xxxxxx
	Name: Xxxxx Xxxxxx
	Title: Authorized Person
Signed by
for and on behalf of
KKR 1996 Overseas Limited
By:	/s/ Xxxxx Xxxxxx
	Name: Xxxxx Xxxxxx
	Title: Authorized Person

S5

Blackstone NSS Communications Partners (Cayman) L.P.
By Blackstone Communications Management Associates (Cayman) L.P., its general partner
By Blackstone FI Communications Associates (Cayman) Ltd., its general partner
By:	/s/ Xxxxxx Xxxxxxxx
Name:		Xxxxxx Xxxxxxxx
Title:		Authorized Person
Blackstone Family Communications Partnership (Cayman) L.P.
By Blackstone Communications Management Associates (Cayman) L.P., its general partner
By Blackstone FI Communications Associates (Cayman) Ltd., its general partner
By:	/s/ Xxxxxx Xxxxxxxx
Name:		Xxxxxx Xxxxxxxx
Title:		Authorized Person
Blackstone Capital Partners (Cayman) IV L.P.
By Blackstone Management Associates (Cayman) IV L.P., its general partner
By Xxxxxxxxxx XX Associates (Cayman) IV Ltd., its general partner
By:	/s/ Xxxxxx Xxxxxxxx
Name:		Xxxxxx Xxxxxxxx
Title:		Authorized Person

S6

Blackstone Capital Partners (Cayman) IV-A L.P.
By Blackstone Management Associates (Cayman) IV L.P., its general partner
By Xxxxxxxxxx XX Associates (Cayman) IV Ltd., its general partner
By:			/s/ Xxxxxx Xxxxxxxx
Name:			Xxxxxx Xxxxxxxx
Title:			Authorized Person
Blackstone Family Investment Partnership (Cayman) IV-A L.P.
By Blackstone Management Associates (Cayman) IV L.P., its general partner
By Xxxxxxxxxx XX Associates (Cayman) IV Ltd., its general partner
By:			/s/ Xxxxxx Xxxxxxxx
Name:			Xxxxxx Xxxxxxxx
Title:			Authorized Person
Blackstone Participation Partnership (Cayman) IV L.P.
By Blackstone Management Associates (Cayman) IV L.P., its general partner
By Xxxxxxxxxx XX Associates (Cayman) IV Ltd., its general partner
By:			/s/ Xxxxxx Xxxxxxxx
Name:			Xxxxxx Xxxxxxxx
Title:			Authorized Person
Blackstone Communications Management Associates (Cayman) L.P.
By Blackstone FI Communications Associates (Cayman) Ltd., its general partner
By:		/s/ Xxxxxx Xxxxxxxx
Name:			Xxxxxx Xxxxxxxx
Title:			Authorized Person
Blackstone Management Associates (Cayman) IV L.P.
By Xxxxxxxxxx XX Associates (Cayman) IV Ltd., its general partner
By:		/s/ Xxxxxx Xxxxxxxx
Name:			Xxxxxx Xxxxxxxx
Title:			Authorized Person
Blackstone FI Communications Associates (Cayman) Ltd.
By:	/s/ Xxxxxx Xxxxxxxx
Name:			Xxxxxx Xxxxxxxx
Title:			Authorized Person

S7

Xxxxxxxxxx XX Associates (Cayman) IV Ltd.
By:	/s/ Xxxxxx Xxxxxxxx
Name:		Xxxxxx Xxxxxxxx
Title:		Authorized Person

S8

For and on behalf of Apax Partners Europe Managers Ltd. as Manager of
Apax Europe VI-A, L.P.
By:			/s/ Xxxxxx Xxxxxxxx
Name:					Xxxxxx Xxxxxxxx
Title:					Authorized Person
For and on behalf of Apax Partners Europe Managers Ltd.
as Manager of Apax Europe VI-1 L.P.
By				/s/ Xxxxxx Xxxxxxxx
Name:					Xxxxxx Xxxxxxxx
Title:					Authorized Person
For and on behalf of Apax Europe VI GP, Co. Ltd. as general partner of Apax
Europe VI GP, L.P. Inc.
By	/s/ Xxxxxx Xxxxxxxx
Name:					Xxxxxx Xxxxxxxx
Title:					Authorized Person
For and on behalf of Apax Europe VI GP, Co. Ltd.
By		/s/ Xxxxxx Xxxxxxxx
Name:					Xxxxxx Xxxxxxxx
Title:					Authorized Person
For and on behalf of Apax Partners Europe Managers Ltd.
By		/s/ Xxxxxx Xxxxxxxx
Name:					Xxxxxx Xxxxxxxx
Title:					Authorized Person

S9

PROVIDENCE EQUITY OFFSHORE PARTNERS V L.P.

By: Providence Equity Offshore GP V L.P.,the General Partner

By: Providence Equity Partners (Cayman) V Ltd., its general partner

By:

/s/ Xxxx X. Xxxxx

Name:

Xxxx X. Xxxxx

Title:

Authorized Person

PROVIDENCE EQUITY OFFSHORE GP V L.P.

By: Providence Equity Partners (Cayman) V Ltd., its general partner

By:

/s/ Xxxx X. Xxxxx

Name:

Xxxx X. Xxxxx

Title:

Authorized Person

PROVIDENCE EQUITY OFFSHORE PARTNERS IV L.P.

By: Providence Equity Offshore XX XX L.P., the General Partner

By: Providence Equity Partners (Cayman) IV Ltd., its general partner

By:

/s/ Xxxx X. Xxxxx

Name:

Xxxx X. Xxxxx

Title:

Authorized Person

PROVIDENCE EQUITY OFFSHORE XX XX L.P.

By: Providence Equity Partners (Cayman) IV Ltd., its general partner

By:

/s/ Xxxx X. Xxxxx

Name:

Xxxx X. Xxxxx

Title:

Authorized Person

PROVIDENCE EQUITY PARTNERS (CAYMAN) IV LTD.

By:

/s/ Xxxx X. Xxxxx

Name:

Xxxx X. Xxxxx

Title:

Authorized Person

S10

PROVIDENCE EQUITY OPERATING PARTNERS IV L.P.

By:

Providence Equity XX XX L.P., the General Partner

By:

Providence Equity Partners IV L.L.C., its general partner

By:

/s/ Xxxx X. Xxxxx

Name:

Xxxx X. Xxxxx

Title:

Authorized Signatory

PROVIDENCE EQUITY XX XX L.P.

By:

Providence Equity Partners IV L.L.C., its general partner

By:

/s/ Xxxx X. Xxxxx

Name:

Xxxx X. Xxxxx

Title:

Authorized Signatory

PROVIDENCE EQUITY PARTNERS IV L.L.C.

By:

/s/ Xxxx X. Xxxxx

Name:

Xxxx X. Xxxxx

Title:

Authorized Signatory

S11

PROVIDENCE EQUITY PARTNERS (CAYMAN) V LTD.
By:	/s/ Xxxx X. Xxxxx
Name:	Xxxx X. Xxxxx
Title:	Authorized Person

S12

/s/ Xxxx X. Xxxxx

Xxxx X. Xxxxx

/s/ Xxxxx X. Xxxxxxx

Xxxxx X. Xxxxxxx

/s/ Xxxxxxxx X. Xxxxxx

Xxxxxxxx X. Xxxxxx

/s/ Xxxxx X. Xxxxxxxx

Xxxxx X. Xxxxxxxx

/s/ Xxxxxxx X. Xxxxxxxxxx

Xxxxxxx X. Xxxxxxxxxx

S13

For and on behalf of
Apax Angel Syndication Partners (Cayman) GP Ltd acting in its capacity as general partner of
Apax Angel Syndication Partners (Cayman) L.P.
By:	/s/ Xxxxxxxxx Xxxxxxxx
Name: Xxxxxxxxx Xxxxxxxx
Title: Authorized Signatory
Apax Angel Syndication Partners (Cayman) GP Ltd
By:	/s/ Xxxxxxxxx Xxxxxxxx
Name: Xxxxxxxxx Xxxxxxxx
Title: Authorize Signatory

S14

PROVIDENCE SYNDICATION PARTNERS (CAYMAN) L.P.
By: Providence Syndication Partners (Cayman) GP, Ltd., its general partner
By:	/s/ Xxxxxxxx X. Xxxxxx
Name: Xxxxxxxx X. Xxxxxx
Title: Authorized Signatory
PROVIDENCE SYNDICATION PARTNERS (CAYMAN) GP, LTD.
By:	/s/ Xxxxxxxx X. Xxxxxx
Name: Xxxxxxxx X. Xxxxxx
Title: Authorized Signatory

S15