NATIONAL SCIENTIFIC CORP/AZ - NSCT Securities Registration: Small Business (SB-2) BENEFICIAL OWNERS

	Number of Shares Offered Under This Offeri ng

				Number of
				Shares Offered By
		Number of Shares	Number Of Shares	SellingSecurityholder
		Beneficially Owned	Offered By Selling	Upon Exercise	Percent of
Selling Securityholders		Before Offering ⁽¹⁾	Securityholder	of Warrants ⁽²⁾	Class ⁽³⁾

Source One		300,000	300,000	225,000	*
Stephen M. Abbott & Patricia N. Abbott		200,000	200,000	150,000	*
Rocco J. Brescia Jr.		220,000	220,000	165,000	*
George R. Martin		100,000	100,000	75,000	*
Donald L. Massey		300,000	300,000	225,000	*
Garry Higdem		200,000	200,000	150,000	*
Steven A. Heggelke		125,000	125,000	93,750	*
Keith D. Camp		200,000	200,000	150,000	*
Paul Coplan		45,455	45,455	34,091	*
Greg John Dawe		700,000	700,000	525,000	1.29	%
Daniel E. Larson		100,000	100,000	75,000	*
Murray W. Grigg		500,000	500,000	375,000	*
Joseph B. Ryan Jr.		100,000	100,000	75,000	*
John Igoe		150,000	150,000	112,500	*
Joseph Kump & Joan Kump		46,000	46,000	34,500	*
William M. & Deborah Haskell		100,000	100,000	75,000	*
Richard A. Jacoby		250,000	250,000	187,500	*
James W. Robertson		100,000	100,000	75,000	*
Michael Grabert		60,000	60,000	45,000	*
Andrew Denka		800,000	800,000	600,000	1.47	%
Ronald Danielak		20,000	20,000	15,000	*
Larry D. Hunter		50,000	50,000	37,500	*
David R. Beck		100,000	100,000	75,000	*
John Younts		100,000	100,000	75,000	*
Marc C. McGeever		50,000	50,000	37,500	*
Christopher J. Whyman		68,182	68,182	51,136	*
Denno Family Limited Partnership		200,000	200,000	150,000	*
Joseph P. Kalinoski		100,000	100,000	75,000	*
Thomas G. Howard		20,000	20,000	15,000	*
Gregg Brune		50,000	50,000	37,500	*
Gregory W. Nelson & Judy C. Nelson		100,000	100,000	75,000	*
Michael Lusk		100,000	100,000	75,000	*