Reliant FORM 10-K manual Name of Beneficial Owner, Title of Class of Security

A person is deemed to be a beneficial owner of a common share if that person has, or shares, the power to direct the vote or investment of the common share. Under applicable United States securities laws, a person is also deemed to be a beneficial owner of a common share if such person has the right to acquire the share within 60 days (whether or not, in the case of a stock option, the current market price of the underlying common share is below the stock option exercise price). More than one person may be deemed a beneficial owner of a common share and a person need not have an economic interest in a share to be a beneficial owner.

Name of Beneficial Owner

M. Bischoff*

J.J.Blanchard R.E. Brown J.E. Cleghorn

L.Y. Fortier

R.A. Ingram

J.A. MacNaughton**

J. Manley*

R.D. McCormick**

W.A. Owens

H.J. Pearce**

G. Saucier

S.H. Smith, Jr.

L.R. Wilson

F.A. Dunn***

P. Debon

B.W. McFadden

S.L. Spradley

C. Bolouri****

N.J. DeRoma

Directors and executive officers as a group (consisting of 36 persons, comprised of the current directors and current executive officers)

Title of Class of Security

Common shares of the Company

Common shares of the Company

Share units

Common shares of the Company

Share units

Common shares of the Company

Share units

Common shares of the Company

Share units

Common shares of the Company

Share units

Common shares of the Company

Share units

Common shares of the Company

Common shares of the Company

Common shares of the Company

Share units

Common shares of the Company

Common shares of the Company

Share units

Common shares of the Company

Share units

Common shares of the Company Share units

Common shares of the Company

Common shares of the Company

Common shares of the Company

Common shares of the Company

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Common shares of the Company Common shares of the Company Share units

Common shares of Bookham Technology plc

Amount and Nature of Beneficial Ownership (1)

–

19,392 (2)

114,395 (3)

417,281 (4)

123,254 (3)

29,000 (5)

132,249 (3)

22,585 (6)

132,889 (3)

10,756 (7)

133,243 (3)

42,804,520 (8)

–

–

100,000

–

103,917 (3)

10,000

28,673 (9)

129,397 (3)

131,192 (10)

157,173 (3)

1,201,871 (11)

564,470 (3)

793,510 (12)

1,958,167 (13)

1,718,388 (14)

615,255 (15)

1,909,380 (16)

1,919,233 (17)

23,396,591 (18)

1,590,987 (3)

–

*Messrs. Bischoff and Manley were each appointed a director of the Company and of Nortel Networks Limited on April 29, 2004 and May 26, 2004, respectively. Messrs. Bischoff and Manley have been prevented under applicable securities laws from participating in the Directors’ Deferred Share Compensation Plans due to the delay in the filing of the restated financial statements and related periodic reports of the Company and Nortel Networks Limited and, since May 31, 2004, have been subject to an Ontario Securities Commission management cease trade order prohibiting trading by directors, officers and certain current and former employees in securities of the Company until after the filing of the restated financial statements and related periodic reports of the Company and Nortel Networks Limited.

**Nominee for election as a director of the Company and Nortel Networks Limited for the first time.

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