Mesa Royalty Trust (MTR) had the worst month in 1999 by a US stock in March 1999, returning -90.2%.

ASSET	MONTH	% RETURN
Mesa Royalty Trust (MTR)	March 1999	-90.22%
Mesa Royalty Trust (MTR)	April 1999	-90.21%
Mesa Royalty Trust (MTR)	October 1999	-90.16%
Mesa Royalty Trust (MTR)	August 1999	-89.91%
Protalix Biotherapeutics (PLX)	November 1999	-82.12%
First National (FXNC)	January 1999	-75.71%
Gulf Resources (GURE)	October 1999	-72.5%
NeoGenomics (NEO)	December 1999	-67.39%
Vericel Corp Ord (VCEL)	October 1999	-66.67%
MEDIFAST (MED)	August 1999	-64.7%
VirTra (VTSI)	January 1999	-63.64%
Lightwave Logic (LWLG)	February 1999	-62.5%
374Water Inc Common Stock (SCWO)	December 1999	-62.5%
Neo-Concept International Group Holdings Limited Ordinary Shares (NCI)	November 1999	-62.47%
DaVita HealthCare Partners (DVA)	February 1999	-61.93%
Assertio Therapeutics (ASRT)	April 1999	-61.25%
Ionis Pharmaceuticals (IONS)	December 1999	-60.14%
Stabilis Solutions (SLNG)	August 1999	-58.99%
Flexible Solutions International (FSI)	December 1999	-58.62%
Service Corporation International (SCI)	January 1999	-58.4%
NVE (NVEC)	December 1999	-57.98%
Cheniere Energy (LNG)	November 1999	-56.9%
VirTra (VTSI)	August 1999	-55.56%
Odyssey Marine Exploration (OMEX)	September 1999	-55.36%
Benchmark Electronics (BHE)	October 1999	-55.01%