Ranbaxy Laboratories Ltd

Rabo India Securities Pvt Ltd ("Manager to the Offer"), on behalf of Ranbaxy Laboratories Ltd ("Acquirer"), has issued this Public Announcement ("PA") to the Shareholders of Zenotech Laboratories Ltd ("Target Company"), pursuant to and in compliance with, among others, Regulation 10 & Regulation 12 of the Securities & Exchange Board of India (Substantial Acquisition of Shares & Takeovers) Regulations, 1997 and subsequent amendments thereto (the "Regulations" or the "SEBI Takeover Code").

The Offer

The Acquirer proposes to acquire from the existing non-promoter shareholders of the Target Company upto 68,93,000 fully paid-up equity shares of the Target Company (the "Offer Size") representing 20% of the Expanded Equity Capital at a price of Rs 160/- for each fully paid-up equity share of the Target Company ("Share") (such price , the "Offer Price"), to be paid in cash in accordance with the Regulations.

Schedule of Activities:

Specified Date - October 26, 2007

Date of Opening of the Offer - November 19, 2007

Date of Closing of the Offer - December 08, 2007