MainStay Mid Cap Growth Fund

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MainStay Mid Cap Growth Fund

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> Holdings

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Fund Performance

Share Class (Inception)
Category: Equity	YTD %	1 Year %	3 Year %	5 Year %	10 Year %	Since Incep. %
Average Annual Total Returns as of 06/30/2009
NAV:
Class A (01/02/2001)	11.97	-32.93	-10.51	0.12	n/a	-1.17
Class INV (02/28/2008)	11.87	-33.17	-10.62	0.05	n/a	-1.22
Class B (01/02/2001)	11.50	-33.62	-11.30	-0.67	n/a	-1.95
Class C (01/02/2001)	11.35	-33.71	-11.31	-0.70	n/a	-1.96
With Sales Charges:
Class A (01/02/2001)	5.81	-36.61	-12.18	-1.01	n/a	-1.83
Class INV (02/28/2008)	5.72	-36.85	-12.29	-1.08	n/a	-1.87
Class B (01/02/2001)	6.50	-36.94	-12.11	-1.04	n/a	-1.95
Class C (01/02/2001)	10.35	-34.37	-11.31	-0.70	n/a	-1.96
Average Annual Total Returns as of 06/30/2009
NAV:
Class A (01/02/2001)	11.97	-32.93	-10.51	0.12	n/a	-1.17
Class INV (02/28/2008)	11.87	-33.17	-10.62	0.05	n/a	-1.22
Class B (01/02/2001)	11.50	-33.62	-11.30	-0.67	n/a	-1.95
Class C (01/02/2001)	11.35	-33.71	-11.31	-0.70	n/a	-1.96
With Sales Charges:
Class A (01/02/2001)	5.81	-36.61	-12.18	-1.01	n/a	-1.83
Class INV (02/28/2008)	5.72	-36.85	-12.29	-1.08	n/a	-1.87
Class B (01/02/2001)	6.50	-36.94	-12.11	-1.04	n/a	-1.95
Class C (01/02/2001)	10.35	-34.37	-11.31	-0.70	n/a	-1.96
Performance data quoted represents past performance. Past performance is no guarantee of future results. Due to market volatility, current performance may be less or higher than the figures shown. Investment return and principal value will fluctuate so that upon redemption, shares may be worth more or less than their original cost.
Class A & INV: 5.5% maximum initial sales charge. Class B: CDSC up to 5% if redeemed within six years. Class C: 1% CDSC if redeemed within one year. Gross Expenses: Class A 1.48%, INV 1.57%, B 2.26%, C 2.26%, R2 1.70%, R3 1.85%, I 1.22%. Net Expenses: Class A 1.29%, INV 1.57%, B 2.26%, C 2.26%, R2 1.47%, R3 1.72%, I 1.12%.

Growth of a Hypothetical $10,000 Investment at NAV

Class A shares 01/02/2001 to 03/31/2009. Based on total returns with reinvestment of distributions and does not reflect the effect of any sales charges, which would reduce performance shown. Performance for Class B and C shares will differ based on differences in their sales charges and expense structures. The Russell Midcap^® Growth Index is an unmanaged index that measures the performance of those Russell Midcap companies with higher price-to-book ratios and higher forecasted growth values. Results assume the reinvestment of all capital gain and dividend distributions. An investment cannot be made directly into an index.

Fund Objective

Seeks long-term capital appreciation by investing primarily in securities of mid-capitalization companies.

Investment Strategy

>	The Fund normally invests at least 65% of its total assets in equity-type securities, including common stocks, as well as securities convertible into, or exchangeable for, common stocks.
>	The Fund primarily invests in domestic securities but may invest up to 35% of its net assets, plus any borrowings for investment purposes, in foreign securities.
>	Securities of foreign issuers that are represented by American Depositary Receipts or that are listed on a U.S. securities exchange or traded in the U.S. over-the counter markets are not considered “foreign securities” for the purpose of this limitation.

Fund Statistics

	Class A	Class INV	Class B	Class C
Total Net Assets	39.8M	15.5M	21.9M	16.2M
Beta¹	0.96	0.96	0.96	0.96
Standard Deviation²	19.16	19.15	19.14	19.15
Number of Holdings	80
Purchases	$1,000 minimum initial investment, $50 subsequent

¹Beta is a measure of historical volatility relative to an appropriate index based on its investment objective. A beta greater than 1.00 indicates volatility greater than the market's. Beta shown is based on monthly returns over the last three years.
²Standard Deviation measures how widely dispersed a fund's returns have been over a specified period of time (five years). A high standard deviation indicates that the range is wide, implying greater potential for volatility.

Investor Profile

>	Investors who believe that mid-cap companies may be attractive growth candidates.
>	Investors pursuing long-term goals, such as college funding or retirement.
>	Investors who can accept a higher degree of risk in search of higher return potential.

Why Mid Caps?

Mid-cap stocks have made it past the initial growth hurdles and proven their ability to sustain themselves, often amid larger competitors.

About Risk

Growth stocks may be more volatile than other stocks because they are generally more sensitive to investor perceptions and market moves. During periods of growth stock underperformance, the Fund's performance may suffer. Mid-capitalization companies are generally less established and their stocks may be more volatile and less liquid than the securities of larger companies. The Fund's use of securities lending presents the risk of default by the borrower, which may result in a loss to the Fund.

What You Should Know

View the Prospectus

This mutual fund may be offered and sold only to persons in the United States. Please contact your investment professional or call 800-MAINSTAY (624-6782) for a prospectus or download it now. Please consider the investment objectives, risks, and charges and expenses of the investment carefully before investing. The prospectus contains this and other information about the investment company. Please read it carefully before you invest.

NYLIFE Distributors LLC, 169 Lackawanna Avenue, Parsippany, NJ 07054.

These products are not federally insured or guaranteed by the U.S. government, the Federal Deposit Insurance Corporation, or similar agency.

All total returns are shown both with and without their maximum sales charge and assume capital gain and dividend distributions are reinvested.

Performance figures reflect certain fee waivers and/or expense limitations, without which total returns may have been lower. The fee waivers and/or expense limitations are voluntary and may be discontinued at any time.

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>	First Offered
	Class A: 01/02/01
	Class INV: 02/28/08
	Class B: 01/02/01
	Class C: 01/02/01

>	Nasdaq Symbol
	Class A: MMCPX
	Class INV: MMYMX
	Class B: MMGBX
	Class C: MMGCX

>	Cusip Number
	Class A: 56062F178
	Class INV: 56062X435
	Class B: 56062F160
	Class C: 56062F152

>	Fund Number
	Class A: 1343
	Class INV: 2554
	Class B: 1370
	Class C: 1371

>	Download Prospectus
>	View Fact Sheet
>	Access Annual / Semiannual Report

>	Morningstar Style Box^TM

The Morningstar Style Box^TM reveals a fund's investment strategy. The vertical axis shows the market capitalization of the stocks owned and the horizontal axis shows the investment style (value, blend, or growth).

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