FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of June 2005 COLT TELECOM GROUP plc (Translation of Registrant's Name into English) Beaufort House 15 St. Botolph Street London EC3A 7QN England _________________________________ (Address of Principal Executive Offices) (Indicate by check mark whether the Registrant files or will file annual reports under cover of Form 20-F or Form 40-F.) Form 20-F..X... Form 40-F..... (Indicate by check mark whether the Registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934) Yes ..... No ..X... (If "Yes" is marked, indicate below the file number assigned to the Registrant in connection with Rule 12g3-2(b): 82- ________) This Form 6-K shall be deemed to be incorporated by reference in the Registrant's Registration Statement on Form F-3 (Reg. No.333-05972), in the Registrant's Registration Statement on Form S-8 (Reg. No.333-8362) SCHEDULE 11 NOTIFICATION OF INTERESTS OF DIRECTORS AND CONNECTED PERSONS All relevant boxes should be completed in block capital letters. 1. Name of company 2. Name of director COLT TELECOM GROUP PLC Jean-Yves Charlier 3. Please state whether notification 4. Name of the registered holder(s) and, indicates that it is in respect of if more than one holder, the number of holding of the shareholder named in 2 shares held by each of them (if above or in respect of a notified) non-beneficial interest or in the case of an individual holder if it is a holding of that person's spouse or children under the age of 18 or in respect of an non-beneficial interest Director named in 2. above 5. Please state whether notification 6. Please state the nature of the relates to a person(s) connected with transaction. For PEP transactions the director named in 2 above and please indicate whether general/single identify the connected person(s) co PEP and if discretionary/non discretionary /non discretionary n/a Purchase of Ordinary shares 7. Number of 8. Percentage of 9. Number of 10. Percentage of shares/amount issued class shares/amount issued class (any of stock (any treasury of stock treasury shares acquired shares held by disposed held by company company should should not be not be taken taken into into account account when when calculating calculating percentage) percentage) >0.01% N/A N/A 240,000 11. Class of 12. Price per 13. Date of 14. Date company security share transaction informed ORDINARY 56.25 pence 20 JUNE 2005 20 JUNE 2005 SHARES 15. Total holding following this 16. Total percentage holding of issued notification class following this notification (any treasury shares held by company should not be taken into account when calculating percentage) >0.01% 740,000 If a director has been granted options by the company please complete the following boxes. 17. Date of grant 18. Period during which or date on which exercisable 19. Total amount paid (if any) for grant 20. Description of shares or debentures of the option involved: class, number 21. Exercise price (if fixed at time of 22. Total number of shares or debentures grant) or indication that price is to over which options held following this be fixed at time of exercise notification 23. Any additional information 24. Name of contact and telephone number for queries CAROLINE GRIFFIN PAIN 020 7947 1677 25. Name and signature of authorised company official responsible for making this notification CAROLINE GRIFFIN PAIN Date of notification - 20 June 2005 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Current Report on Form-6K to be signed on its behalf by undersigned, thereunto duly authorized. Date: 20 June 2005 COLT Telecom Group plc By: ___Jane Forrest___ Jane Forrest Company Secretary