Exhibit 99.4 AMENDED AND RESTATED COLLATERAL SHARING AGREEMENT Dated as of August 11, 2006Collateral Sharing Agreement • August 15th, 2006 • Lucent Technologies Inc • Telephone & telegraph apparatus • New York
among LUCENT TECHNOLOGIES INC., as BorrowerLetter of Credit Issuance and Reimbursement Agreement • August 15th, 2006 • Lucent Technologies Inc • Telephone & telegraph apparatus • New York
Exhibit 99.2 SECOND AMENDMENT, dated as of August 11, 2006 (this "AMENDMENT") to the Amended and Restated External Sharing Debt Agreement, dated as of October 1, 2004 (the "EXTERNAL SHARING DEBT AGREEMENT"), among Lucent Technologies Inc., a Delaware...External Sharing Debt Agreement • August 15th, 2006 • Lucent Technologies Inc • Telephone & telegraph apparatus • New York
Exhibit 99.3 AMENDED AND RESTATED GUARANTEE AND COLLATERAL AGREEMENTGuarantee and Collateral Agreement • August 15th, 2006 • Lucent Technologies Inc • Telephone & telegraph apparatus • New York
