EXHIBIT 23.3 INDEPENDENT AUDITOR'S CONSENT We hereby consent to the use in this Registration Statement on Form S-8 of our reports dated February 26, 1998 (for the year ended December 31, 1997) and April 9, 1999 (for the year ended December 31, 1998), except for the US GAAP reconciliation as described in Note 24 which is at September 15, 2000, relating to the financial statements and financial statement schedules of Pharmacia & Upjohn (Cambridge) Limited, included in Amendment No. 6 to the Registration Statement on Form S-1 (No. 333-45996). /s/ PricewaterhouseCoopers PricewaterhouseCoopers Cambridge, England January 17, 2001