MONTANA BOARD OF INVESTMENTS
STIP YIELD AND DAILY FACTOR CALCULATIONS
		DAILY NET		DAILY		MTD DAILY
DATE		YIELD		FACTOR		FACTOR
06/01/08		2.648818946		0.000067622		0.0000676222
06/02/08		2.645565885		0.000067459		0.0001350812
06/03/08		2.641637137		0.000067432		0.0002025127
06/04/08		2.636530370		0.000067302		0.0002698149
06/05/08		2.610969158		0.000066781		0.0003365954
06/06/08		2.545550222		0.000065173		0.0004017681
06/07/08		2.545420815		0.000065173		0.0004669408
06/08/08		2.545291591		0.000065173		0.0005321135
06/09/08		2.533753280		0.000064892		0.0005970058
06/10/08		2.525908167		0.000064725		0.0006617309
06/11/08		3.727770215		0.000095603		0.0007573335
06/12/08		2.454334553		0.000062893		0.0008202261
06/13/08		2.450242518		0.000062800		0.0008830259
06/14/08		2.450115092		0.000062800		0.0009458256
06/15/08		2.449988364		0.000062800		0.0010086253
06/16/08		2.455722198		0.000062967		0.0010715926
06/17/08		2.500648231		0.000064113		0.0011357057
06/18/08		2.453543855		0.000062901		0.0011986066
06/19/08		2.457814578		0.000063048		0.0012616549
06/20/08		2.404841506		0.000061785		0.0013234399
06/21/08		2.404717342		0.000061785		0.0013852249
06/22/08		2.404592686		0.000061785		0.0014470099
06/23/08		2.409374799		0.000061953		0.0015089625
06/24/08		2.407560142		0.000061925		0.0015708880
06/25/08		2.404143598		0.000061722		0.0016326102
06/26/08		2.414984148		0.000062163		0.0016947733
06/27/08		2.410691002		0.000062050		0.0017568235
06/28/08		2.410566064		0.000062050		0.0018188738
06/29/08		2.410439824		0.000062050		0.0018809240
06/30/08		2.337653756		0.000060105		0.0019410290
Average		2.5233063
=	Monthly Security Lending Income