BELDEN CDT LOGO] BELDEN CDT INC. 7701 FORSYTH BOULEVARD SUITE 800 ST. LOUIS, MISSOURI 63105 TELEPHONE: (314) 854-8000 FACSIMILE: (314) 854-8001 PERSONAL & CONFIDENTIAL May 17, 2005 Mr. C. Baker Cunningham 6424 Cecil Avenue St. Louis, MO 63105 Dear...

                                                                    Exhibit 10.3

[BELDEN CDT LOGO]                                      XXXXXX CDT INC.
                                                       0000 XXXXXXX XXXXXXXXX
                                                       XXXXX 000
                                                       XX. XXXXX, XXXXXXXX 00000
                                                       TELEPHONE: (000) 000-0000
                                                       FACSIMILE: (000) 000-0000

PERSONAL & CONFIDENTIAL

May 17, 2005

Xx. X. Xxxxx Xxxxxxxxxx
0000 Xxxxx Xxxxxx
Xx. Xxxxx, XX 00000

Dear Xxxxx:

The terms of your retention award letter agreement (the "Retention Letter
Agreement"), dated as of June 28, 2004, are amended as follows:

   -  If you were to retire from Xxxxxx CDT Inc. (the "Company") before July 15,
      2006, the unpaid cash award under your Retention Letter Agreement will be
      paid upon your retirement, and the unvested portion of the restricted
      stock award under your letter agreement will vest upon your retirement.

   -  All other unvested restricted stock and stock options will vest upon your
      retirement, whether before or after July 15, 2006.

XXXXXX CDT INC.

By: /s/ Xxxxx Xxxxxxxxxx
    -----------------------------
    Xxxxx Xxxxxxxxxx

Agreed:

    /s/ X. Xxxxx Xxxxxxxxxx
    -----------------------------
    X. Xxxxx Xxxxxxxxxx