CLAYTON UTZ Alpharma Inc. Alpharma Oral Pharmaceuticals Acquisition Corp. PartnerCo Mayne Nickless Limited ACN 004 073 410 Mayne Mayne Health Logistics Pty Limited ACN 097 064 894 BidCo Fourth Variation Agreement

XXXXXXX XXX

Alpharma Inc.
Alpharma

Oral Pharmaceuticals Acquisition Corp.
PartnerCo

Mayne Xxxxxxxx Limited ACN 004 073 410
Mayne

Mayne Health Logistics Pty Limited ACN 097 064 894
BidCo

Fourth Variation Agreement

Table of Contents

1. Definitions and interpretation *

1.1 Definitions *

1.2 Interpretation *

2. Offer Extension *

Fourth Variation Agreement made at                                 on September 20, 2001

Parties Alpharma Inc. of Xxx Xxxxxxxxx Xxxxx, Xxxx Xxx, Xxx Xxxxxx, Xxxxxx Xxxxxx of America, 07024 ("Alpharma")

Oral Pharmaceuticals Acquisition Corp. of Xxx Xxxxxxxxx Xxxxx, Xxxx Xxx, Xxx Xxxxxx, Xxxxxx Xxxxxx of America, 07024 ("PartnerCo")

Mayne Xxxxxxxx Limited ACN 004 073 410 of Xxxxx 00, 000 Xx Xxxxx Xxxx, Xxxxxxxxx, Xxxxxxxx 0000, Xxxxxxxxx ("Mayne")

Mayne Health Logistics Pty Limited ACN 097 064 894 of Xxxxx 00, 000 Xx Xxxxx Xxxx, Xxxxxxxxx, Xxxxxxxx 0000, Xxxxxxxxx ("BidCo")

Recitals

1. The parties to this agreement agree to vary the Put and Call Agreement in accordance with the terms of this agreement.

The parties agree

1. Definitions and interpretation
1. Definitions

In this agreement:

"Put and Call Agreement" means the put and call option agreement entered into on 12 July 2001 by Alpharma, PartnerCo, Mayne and BidCo under which PartnerCo grants to Mayne a put option over shares in BidCo and BidCo grants to PartnerCo a call option to purchase shares in Faulding Holdings, Inc. and its subsidiaries and certain other oral pharmaceutical assets owned by X X Xxxxxxxx & Co Limited and its subsidiaries on the terms and conditions therein appearing (as subsequently varied).

2. Interpretation

In this agreement terms used have the meaning given to them in the Put and Call Agreement, unless otherwise defined.

2. Offer Extension

Clause 2.4(a)(ii) of the Put and Call Agreement is amended by restating subclause (B) in its entirety to read "2 October 2001 in respect of the Offers for the Shares and 5 October 2001 in respect of the Offers for the Options." and Alpharma and PartnerCo consent to the extension of the Offer Period to 2 October in respect of the Offers for Shares and 5 October 2001 in respect of the Offers for Options made by BidCo on 20 September 2001.

Signed as an agreement.

Executed by Alpharma Inc. by

Name: Xxxxxx X. Xxxxxx

Title: Vice President and Chief Legal Officer

Executed by Oral Pharmaceuticals Acquisition Corp. by

Name: Xxxxxx X. Xxxxxx

Title: Secretary

Executed by Mayne Xxxxxxxx Limited ACN 004 073 410 by or in the presence of:
Signature of Director			Signature of Secretary/other Director
Name of Director in full			Name of Secretary/other Director in full

Executed by Mayne Health Logistics Pty Limited ACN 097 064 894 by or in the presence of:
Signature of Director			Signature of Secretary/other Director
Name of Director in full			Name of Secretary/other Director in full