About This Deal

CHARLES RIVER LABORATORIES INTERNATIONAL, INC. acquired Pathology Associates International Corporation (PAI) for $37M, a transaction completed in January 2001, structured as $25 million cash plus a $12 million convertible note; purchased from SAIC.

Pathology Associates International Corporation (PAI) operates in Discovery and Safety Assessment (DSA), is based in United States (Frederick, Maryland). Charles River acquired Pathology Associates International Corporation from Science Applications International Corporation (SAIC). Headquartered in Frederick, Maryland, PAI was the world's leading contract toxicologic pathology company, offering services spanning neuropathology, medical device pathology, immunopathology, molecular and ultrastructural pathology, reproductive toxicology, and archive/repository services, with estimated 2000 revenues of roughly $33 million.

Add the world's leading contract pathology capabilities to Charles River's expanding portfolio of outsourced drug-development and safety-assessment services.

Deal Terms

Acquirer
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
Target
Pathology Associates International Corporation (PAI)
Value
$37M
Date
January 2001
Type
Acquisition
Status
Official-source — no SEC filing

Transaction Details

Target HQ
United States (Frederick, Maryland)
Segment
Discovery and Safety Assessment (DSA)
Structure
$25 million cash plus a $12 million convertible note; purchased from SAIC
Announced
December 21, 2000
Closed
January 8, 2001

Advisors

Advisory firms were not disclosed for this transaction.

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Sources: Press release ↗ · Last updated July 16, 2026

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