Exhibit 19
----------
Joint Filing Agreement
----------------------
In accordance with Rule 13d-1(k) under the Securities Exchange Act of
1934, as amended, the undersigned hereby (i) agree to the joint filing with all
other Candover Reporting Persons (as such term is defined in the amendment to
the statement on Schedule 13D described below) on behalf of each of them of an
amendment to a statement on Schedule 13D with respect to the common stock, par
value $.01 per share, of Crown Castle International Corp. and (ii) agree that
this Agreement be included as an Exhibit to such joint filing. This Agreement
may be executed in any number of counterparts all of which taken together shall
constitute one and the same instrument.
IN WITNESS WHEREOF, the undersigned, being duly authorized, hereby
executes this Agreement this 3rd day of November, 1999.
CANDOVER INVESTMENTS PLC
By: /s/ ▇. ▇. ▇▇▇▇
------------------------------
Name: ▇. ▇. ▇▇▇▇
Title: Company Secretary
CANDOVER (TRUSTEES) LIMITED
By: /s/ ▇. ▇. ▇▇▇▇
------------------------------
Name: ▇. ▇. ▇▇▇▇
Title: Company Secretary
CANDOVER PARTNERS LIMITED
(as general partner of the Candover 1994 UK
Limited Partnership, the Candover 1994 UK No.2
Limited Partnership, the Candover 1994 US No.1
Limited Partnership and the Candover 1994 US
No.2 Limited Partnership)
By: /s/ ▇. ▇. ▇▇▇▇
------------------------------
Name: ▇. ▇. ▇▇▇▇
Title: Company Secretary
CANDOVER SERVICES LIMITED
By: /s/ ▇. ▇. ▇▇▇▇
------------------------------
Name: ▇. ▇. ▇▇▇▇
Title: Company Secretary