Money Market Fund

Ticker: SNIXX

Fund Type: Money Market

Yields

as of December 31, 2006

	7-Day Current Annualized Yield1	7-Day Effective Annual Yield1
Sit Money Market Fund	4.87%	4.99%

Average Annual Returns

as of December 31, 2006

	Three Month*	One Year	Three Year	Five Year	Ten Year	Since Inception**
Sit Money Market Fund	1.21%	4.59%	2.73%	2.02%	3.48%	3.78%
3-Month Treasury Bill	1.29	5.00	3.21	2.46	3.71	4.03
*Not Annualized; **Inception Date of 11/1/93

---

Total Return by Calendar Year

as of December 31, 2006

	1993	1994	1995	1996	1997	1998	1999
Sit Money Market Fund	0.46%	3.84%	5.58%	5.08%	5.22%	5.17%	4.79%
3-Month Treasury Bill	0.53	4.47	5.82	5.27	5.32	5.01	4.88
	2000	2001	2002	2003	2004	2005	2006
Sit Money Market Fund	6.03%	3.67%	1.25%	0.65%	0.88%	2.77%	4.59%
3-Month Treasury Bill	6.16	3.50	1.67	1.03	1.41	3.26	5.00

---

Growth of $10,000

as of December 31, 2006

The sum of $10,000 invested at inception (11/1/93) and held until 12/31/06 would have grown to $16,300 in the Fund or $16,830 in the 3-Month U.S. Treasury Bill assuming reinvestment of all dividends and capital gains.

Notes

Performance listed above is current to the most recent quarter-end. Performance data current to the most recent month-end can be found on the Performance Summary page.

Performance figures are historical and do not guarantee future results. Investment returns and principal value will vary, and you may have gain or loss when you sell shares. Average annual total returns include changes in share price as well as reinvestment of all dividends and capital gains. Current performance may be lower or higher than the performance data quoted.

For more complete information about the Fund, call for a free prospectus at 800-332-5580 or download a prospectus from this site. The prospectus contains information about the investment objectives, risks, and charges and expenses. Please read it carefully before investing or sending money.

Sit Money Market Fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. Although the Fund seeks to preserve the value of your investment at $1.00 per share, it is possible to lose money by investing in the Fund.

(1) The Yield quotation more closely reflects the current earnings of the Money Market Fund than the total return quotation which refers to a specific past holding period.