Document:

EXHIBIT 10.02
swissfirst
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swissfirst Bank AG

                               OTC Contract Note

Seller:                          Roche Holdings, Inc.
                                 Herrn M.F. Kohler

Buyer:                           swissfirst Bank AG
                                 Herrn T. Maag
                                 Fax 01 204 81 81

Number of Contracts:             51,800

Call/Put:                        Call

Option Style:                    European

Underlying:                      Laboratory Corp of America Holdings

Security Number:                 US50540R4092

Multiplier                       1

Trade Date:                      December 19, 2001

Value Date:                      December 24, 2001

Expiration Date:                 June 21, 2002

Strike Price:                    USD 75.

Price Per Option:                USD 10.06

Total Premium:                   USD 521,108

Total Underlying Value:          USD 3,885,000

Payment Instructions:
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To be transmitted by telefax to swissfirst Bank AG:
                                             Telefax Number +4441-1-204 81 81
Acknowledged by: Roche Holdings, Inc.<PAGE>

                                                                   EXHIBIT 10.03
swissfirst
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swissfirst Bank AG

                               OTC Contract Note

Seller:                          Roche Holdings, Inc.
                                 Herrn M.F. Kohler

Buyer:                           swissfirst Bank AG
                                 Herrn T. Maag
                                 Fax 01 204 81 81

Number of Contracts:             148,200

Call/Put:                        Call

Option Style:                    European

Underlying:                      Laboratory Corp of America Holdings

Security Number:                 US50540R4092

Multiplier                       1

Trade Date:                      December 21, 2001

Value Date:                      December 27, 2001

Expiration Date:                 June 21, 2002

Strike Price:                    USD 75.

Price Per Option:                USD 10.04

Total Premium:                   USD 1,487,928

Total Underlying Value:          USD 11,115,000

Payment Instructions:
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To be transmitted by telefax to swissfirst Bank AG:
                                             Telefax Number +4441-1-204 81 81
Acknowledged by: Roche Holdings, Inc.EXHIBIT 10.04
swissfirst
--------------------------------------------------------------------------------
swissfirst Bank AG

                               OTC Contract Note

Seller:                          Roche Holdings, Inc.
                                 Herrn M.F. Kohler

Buyer:                           swissfirst Bank AG
                                 Herrn T. Maag
                                 Fax 01 204 81 81

Number of Contracts:             250,000

Call/Put:                        Call

Option Style:                    European

Underlying:                      Laboratory Corp of America Holdings

Security Number:                 US50540R4092

Multiplier                       1

Trade Date:                      December 21, 2001

Value Date:                      December 27, 2001

Expiration Date:                 June 21, 2002

Strike Price:                    USD 75.

Price Per Option:                USD 10.03

Total Premium:                   USD 2,507,500

Total Underlying Value:          USD 18,750,000

Payment Instructions:
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To be transmitted by telefax to swissfirst Bank AG:
                                             Telefax Number +4441-1-204 81 81
Acknowledged by: Roche Holdings, Inc.EXHIBIT 10.05
swissfirst
--------------------------------------------------------------------------------
swissfirst Bank AG

                               OTC Contract Note

Seller:                          Roche Holdings, Inc.
                                 Herrn M.F. Kohler

Buyer:                           swissfirst Bank AG
                                 Herrn T. Maag
                                 Fax 01 204 81 81

Number of Contracts:             250,000

Call/Put:                        Call

Option Style:                    European

Underlying:                      Laboratory Corp of America Holdings

Security Number:                 US50540R4092

Multiplier                       1

Trade Date:                      December 27, 2001

Value Date:                      January 02, 2002

Expiration Date:                 June 21, 2002

Strike Price:                    USD 75.

Price Per Option:                USD 10.40

Total Premium:                   USD 2,600,000

Total Underlying Value:          USD 18,750,000

Payment Instructions:
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To be transmitted by telefax to swissfirst Bank AG:
                                             Telefax Number +4441-1-204 81 81
Acknowledged by: Roche Holdings, Inc.EXHIBIT 10.06
swissfirst
--------------------------------------------------------------------------------
swissfirst Bank AG

                               OTC Contract Note

Buyer:                           swissfirst Bank AG
                                 Herrn T. Maag
                                 Fax 01 204 81 81

Seller:                          Roche Holdings, Inc.
                                 Mr. Marcel F. Kohler
                                 Wilmington, DE 19801

Number of Contracts:             105,000

Call/Put:                        Call

Option Style:                    European

Underlying:                      Laboratory Corp of America Holdings

Security Number:                 US50540R4092

Multiplier                       1

Trade Date:                      14, January, 2002

Value Date:                      17, January, 2002

Expiration Date:                 20, September, 2002

Strike Price:                    USD 75.

Price Per Option:                USD 10.23

Total Premium:                   USD 1,074,150

Total Underlying Value:          USD 7,875,000

Payment Instructions:            swissfirst Bank AG. for account Nr. 3671_0
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To be transmitted by telefax to swissfirst Bank AG:
                                             Telefax Number +4441-1-204 81 81
Acknowledged by:         Roche Holdings, Inc.EXHIBIT 10.07
swissfirst
--------------------------------------------------------------------------------
swissfirst Bank AG

                               OTC Contract Note

Buyer:                           swissfirst Bank AG
                                 Herrn T. Maag
                                 Fax 01 204 81 81

Seller:                          Roche Holdings, Inc.
                                 Mr. Marcel F. Kohler
                                 Wilmington, DE 19801

Number of Contracts:             145,000

Call/Put:                        Call

Option Style:                    European

Underlying:                      Laboratory Corp of America Holdings

Security Number:                 US50540R4092

Multiplier                       1

Trade Date:                      15, January, 2002

Value Date:                      18, January, 2002

Expiration Date:                 20, September, 2002

Strike Price:                    USD 75.

Price Per Option:                USD 10.09

Total Premium:                   USD 1,463,050

Total Underlying Value:          USD 10,875,000

Payment Instructions:            swissfirst Bank AG. for account Nr. 3671_0
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To be transmitted by telefax to swissfirst Bank AG:
                                             Telefax Number +4441-1-204 81 81
Acknowledged by: Roche Holdings, Inc.EXHIBIT 10.08
swissfirst
--------------------------------------------------------------------------------
swissfirst Bank AG

                               OTC Contract Note

Buyer:                           swissfirst Bank AG
                                 Herrn T. Maag
                                 Fax 01 204 81 81

Seller:                          Roche Holdings, Inc.
                                 Mr. Marcel F. Kohler
                                 Wilmington, DE 19801

Number of Contracts:             250,000

Call/Put:                        Call

Option Style:                    European

Underlying:                      Laboratory Corp of America Holdings

Security Number:                 US50540R4092

Multiplier                       1

Trade Date:                      16, January, 2002

Value Date:                      22, January, 2002

Expiration Date:                 20, September, 2002

Strike Price:                    USD 75.

Price Per Option:                USD 10.54

Total Premium:                   USD 2,635,000

Total Underlying Value:          USD 18,750,000

Payment Instructions:            swissfirst Bank AG. for account Nr. 3671_0
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To be transmitted by telefax to swissfirst Bank AG:
                                             Telefax Number +4441-1-204 81 81
Acknowledged by: Roche Holdings, Inc.EXHIBIT 10.09
swissfirst
--------------------------------------------------------------------------------
swissfirst Bank AG

                               OTC Contract Note

Buyer:                           swissfirst Bank AG
                                 Herrn T. Maag
                                 Fax 01 204 81 81

Seller:                          Roche Holdings, Inc.
                                 Mr. Marcel F. Kohler
                                 Wilmington, DE 19801

Number of Contracts:             203,000

Call/Put:                        Call

Option Style:                    European

Underlying:                      Laboratory Corp of America Holdings

Security Number:                 US50540R4092

Multiplier                       1

Trade Date:                      16, January, 2002

Value Date:                      22, January, 2002

Expiration Date:                 20, September, 2002

Strike Price:                    USD 75.

Price Per Option:                USD 10.08

Total Premium:                   USD 2,046,240

Total Underlying Value:          USD 15,225,000

Payment Instructions:            swissfirst Bank AG. for account Nr. 3671_0
--------------------------------------------------------------------------------
To be transmitted by telefax to swissfirst Bank AG:
                                             Telefax Number +4441-1-204 81 81
Acknowledged by: Roche Holdings, Inc.

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