MONTANA BOARD OF INVESTMENTS
STIP YIELD AND DAILY FACTOR CALCULATIONS
		DAILY NET		DAILY		MTD DAILY
DATE		YIELD		FACTOR		FACTOR
05/01/10		0.2667567711493		0.000007093		0.0000070926
05/02/10		0.2667501441592		0.000007092		0.0000141851
05/03/10		0.2715462655713		0.000007158		0.0000213431
05/04/10		0.2759510197575		0.000007273		0.0000286161
05/05/10		0.2805532925809		0.000007397		0.0000360132
05/06/10		0.2818239025470		0.000007429		0.0000434422
05/07/10		0.2803931023865		0.000007477		0.0000509190
05/08/10		0.2803937328315		0.000007477		0.0000583960
05/09/10		0.2803932072233		0.000007477		0.0000658729
05/10/10		0.2868894568091		0.000007561		0.0000734340
05/11/10		0.2886562481913		0.000007607		0.0000810408
05/12/10		0.8510640973079		0.000022442		0.0001034825
05/13/10		0.3059546726318		0.000008069		0.0001115513
05/14/10		0.2975968153042		0.000007843		0.0001193947
05/15/10		0.2975968020951		0.000007843		0.0001272380
05/16/10		0.2975962829963		0.000007843		0.0001350814
05/17/10		0.3003504257852		0.000007914		0.0001429954
05/18/10		0.3002857767290		0.000007957		0.0001509520
05/19/10		0.3047960082934		0.000008033		0.0001589845
05/20/10		0.3144427898820		0.000008274		0.0001672590
05/21/10		0.3105785073475		0.000008273		0.0001755324
05/22/10		0.3105791074332		0.000008273		0.0001838059
05/23/10		0.3105783305917		0.000008273		0.0001920793
05/24/10		0.3124866588929		0.000008322		0.0002004015
05/25/10		0.3178559743447		0.000008368		0.0002087698
05/26/10		0.3217652873327		0.000008473		0.0002172432
05/27/10		0.3239432029603		0.000008533		0.0002257759
05/28/10		0.3212611267016		0.000008558		0.0002343342
05/29/10		0.3212603106279		0.000008558		0.0002428926
05/30/10		0.3212594945583		0.000008558		0.0002514509
		0.2922075296075		0.000007785		0.0002592359
Average		0.3159215
=	Monthly Security Lending Income and Rebate