Stock Index Fund
of North American Funds
286 Congress Street
Boston, Massachusetts 02210

P R O X Y

This proxy is solicited on behalf of the Board of Trustees of North American
Funds

The undersigned hereby appoints John I. Fitzgerald, Thomas Brown, Nori L.
Gabert, Alice T. Kane and Todd Spillane as proxies, each with the power to
appoint his substitute, and hereby authorizes each of them to represent and to
vote, as designated on the reverse side of this card, all of the shares of the
Stock Index Fund (the "Fund") of North American Funds held of record by the
undersigned on September 17, 2001, at a Special Meeting of Shareholders of the
Fund to be held at the principal executive offices of North American Funds, 786
Congress Street, Boston, Massachusetts 02210 on November 7, 2001 at 10 a.m.
Eastern Time and at any adjournment thereof.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER HEREIN
DIRECTED BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY
WILL BE VOTED FOR PROPOSALS 1(a), 1(b), 2 AND 3.

By signing and dating the reverse side of this card, you authorize the
proxies to vote each proposal as marked, or if not marked, to vote "FOR" each
proposal, and to use their discretion to vote for any other matter as may
properly come before the meeting or any adjournment thereof. If you do not
intend to personally attend the meeting, please complete and return this card at
once in the enclosed envelope. Alternatively, you may vote your shares by
calling a specially designated telephone number (toll free 1-888-850-2811) or
via the Internet at http://proxy. ____________ .com.

(Continued and to be signed on the reverse side)

-65-

THE BOARD OF TRUSTEES RECOMMENDS A VOTE FOR THE FOLLOWING:
---

1(a). To approve or disapprove a new investment advisory FOR [_] AGAINST [_] ABSTAIN [_]
agreement between American General Asset Management Corp.
("AGAM") and North American Funds on behalf of the Fund, the
terms of which are the same in all material respects as the
previous investment advisory agreement with AGAM.

1(b). To approve or disapprove a new subadvisory agreement FOR [_] AGAINST [_] ABSTAIN [_]
between AGAM and American General Investment Management L.P.
("AGIM") or an affiliate thereof, the terms of which are the same
in all material respects as the previous subadvisory agreement
between AGAM and AGIM.

2. To approve or disapprove the Agreement and Plan of
Reorganization between North American Funds on behalf of the Fund FOR [_] AGAINST [_] ABSTAIN [_]
and SunAmerica Strategic Investment Series, Inc. on behalf of the
SunAmerica Stock Index Fund.

3. In their discretion, the named proxies may vote to transact
such other business as properly may come before the meeting or FOR [_] AGAINST [_] ABSTAIN [_]
any adjournment thereof.

PLEASE MARK BOXES /X/ OR [X] IN BLUE OR BLACK INK. SIGN, DATE AND When signing as attorney or as executor,
RETURN THE PROXY CARD PROMPTLY USING THE ENCLOSED ENVELOPE. administrator, trustee or guardian, or as a
custodian for a minor, please give full title as
such. If a corporation, please sign in full
corporate name by president or other authorized
officer. If a partnership, please sign in
partnership name by authorized persons.

Dated:_________________________________

X______________________________________
Signature

X______________________________________
Signature, if held jointly

-66-

Science & Technology Fund
of North American Funds
286 Congress Street
Boston, Massachusetts 02210

P R O X Y

This proxy is solicited on behalf of the Board of Trustees of North American
Funds

The undersigned hereby appoints John I. Fitzgerald, Thomas Brown, Nori L.
Gabert, Alice T. Kane and Todd Spillane as proxies, each with the power to
appoint his substitute, and hereby authorizes each of them to represent and to
vote, as designated on the reverse side of this card, all of the shares of the
Science & Technology Fund (the "Fund") of North American Funds held of record by
the undersigned on September 17, 2001, at a Special Meeting of Shareholders of
the Fund to be held at the principal executive offices of North American Funds,
786 Congress Street, Boston, Massachusetts 02210 on November 7, 2001 at 10 a.m.
Eastern Time and at any adjournment thereof.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER HEREIN
DIRECTED BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY
WILL BE VOTED FOR PROPOSALS 1, 2 AND 3.

(Continued and to be signed on the reverse side)

-67-

THE BOARD OF TRUSTEES RECOMMENDS A VOTE FOR THE FOLLOWING:
---

1. To approve or disapprove a new investment advisory agreement FOR [_] AGAINST [_] ABSTAIN [_]
between American General Asset Management Corp. ("AGAM") and
North American Funds on behalf of each of the Fund, the terms of
which are the same in all material respects as the previously
existing investment advisory agreement with AGAM.

2. To approve or disapprove the Agreement and Plan of FOR [_] AGAINST [_] ABSTAIN [_]
Reorganization between North American Funds on behalf of the Fund
and SunAmerica Strategic Investment Series, Inc. on behalf of the
SunAmerica Science & Technology Fund.

3. In their discretion, the named proxies may vote to transact FOR [_] AGAINST [_] ABSTAIN [_]
such other business as properly may come before the meeting or
any adjournment thereof.

RECEIPT OF THE NOTICE OF THE SPECIAL MEETING AND THE ACCOMPANYING
PROXY STATEMENT IS HEREBY ACKNOWLEDGED.

PLEASE MARK BOXES /X/ OR [X] IN BLUE OR BLACK INK. SIGN, DATE AND PLEASE SIGN EXACTLY AS NAME APPEARS HEREON. When
RETURN THE PROXY CARD PROMPTLY USING THE ENCLOSED ENVELOPE. shares are held by joint tenants, both should sign.
When signing as attorney or as executor,
administrator, trustee or guardian, or as a
custodian for a minor, please give full title as
such. If a corporation, please sign in full
corporate name by president or other authorized
officer. If a partnership, please sign in
partnership name by authorized persons.

Dated:_________________________________

X______________________________________
Signature

X______________________________________
Signature, if held jointly

-68-

Aggressive Growth LifeStyle Fund
of North American Funds
286 Congress Street
Boston, Massachusetts 02210

P R O X Y

This proxy is solicited on behalf of the Board of Trustees of North American
Funds

The undersigned hereby appoints John I. Fitzgerald, Thomas Brown, Nori L.
Gabert, Alice T. Kane and Todd Spillane as proxies, each with the power to
appoint his substitute, and hereby authorizes each of them to represent and to
vote, as designated on the reverse side of this card, all of the shares of the
Aggressive Growth LifeStyle Fund (the "Fund") of North American Funds held of
record by the undersigned on September 17, 2001, at a Special Meeting of
Shareholders of the Fund to be held at the principal executive offices of North
American Funds, 786 Congress Street, Boston, Massachusetts 02210 on November 7,
2001 at 10 a.m. Eastern Time and at any adjournment thereof.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER HEREIN
DIRECTED BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY
WILL BE VOTED FOR PROPOSALS 1(a), 1(b), 2 AND 3.

(Continued and to be signed on the reverse side)

-69-

THE BOARD OF TRUSTEES RECOMMENDS A VOTE FOR THE FOLLOWING:
---

3. In their discretion, the named proxies may vote to transact FOR [_] AGAINST [_] ABSTAIN [_]
such other business as properly may come before the meeting or
any adjournment thereof.

RECEIPT OF THE NOTICE OF THE SPECIAL MEETING AND THE ACCOMPANYING PLEASE SIGN EXACTLY AS NAME APPEARS HEREON. When
PROXY STATEMENT IS HEREBY ACKNOWLEDGED. shares are held by joint tenants, both should sign.
When signing as attorney or as executor,
PLEASE MARK BOXES /X/ OR [X] IN BLUE OR BLACK INK. SIGN, DATE AND administrator, trustee or guardian, or as a
RETURN THE PROXY CARD PROMPTLY USING THE ENCLOSED ENVELOPE. custodian for a minor, please give full title as
such. If a corporation, please sign in full
corporate name by president or other authorized
officer. If a partnership, please sign in
partnership name by authorized persons.

Dated:___________________________________________

X________________________________________________
Signature

X________________________________________________
Signature, if held jointly

-70-

Moderate Growth LifeStyle Fund
of North American Funds
286 Congress Street
Boston, Massachusetts 02210

P R O X Y

This proxy is solicited on behalf of the Board of Trustees of North American
Funds

The undersigned hereby appoints John I. Fitzgerald, Thomas Brown, Nori L.
Gabert, Alice T. Kane and Todd Spillane as proxies, each with the power to
appoint his substitute, and hereby authorizes each of them to represent and to
vote, as designated on the reverse side of this card, all of the shares of the
Moderate Growth LifeStyle Fund (the "Fund") of North American Funds held of
record by the undersigned on September 17, 2001, at a Special Meeting of
Shareholders of the Fund to be held at the principal executive offices of North
American Funds, 786 Congress Street, Boston, Massachusetts 02210 on November 7,
2001 at 10 a.m. Eastern Time and at any adjournment thereof.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER HEREIN
DIRECTED BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY
WILL BE VOTED FOR PROPOSALS 1(a), 1(b), 2 AND 3.

(Continued and to be signed on the reverse side)

-71-

THE BOARD OF TRUSTEES RECOMMENDS A VOTE FOR THE FOLLOWING:
---

1(a). To approve or disapprove a new investment advisory FOR [_] AGAINST [_] ABSTAIN [_]
agreement between American General Asset Management Corp. ("AGAM")
and North American Funds on behalf of the Fund, the terms of which
are the same in all material respects as the previous investment
advisory agreement with AGAM.

3. In their discretion, the named proxies may vote to transact FOR [_] AGAINST [_] ABSTAIN [_]
such other business as properly may come before the meeting or
any adjournment thereof.

RECEIPT OF THE NOTICE OF THE SPECIAL MEETING AND PLEASE SIGN EXACTLY AS NAME APPEARS HEREON. When
THE ACCOMPANYING PROXY STATEMENT IS HEREBY shares are held by joint tenants, both should sign.
ACKNOWLEDGED. When signing as attorney or as executor,
administrator, trustee or guardian, or as a
PLEASE MARK BOXES /X/ OR [X] IN BLUE OR BLACK INK. custodian for a minor, please give full title as
SIGN, DATE AND RETURN THE PROXY CARD PROMPTLY such. If a corporation, please sign in full
USING THE ENCLOSED ENVELOPE. corporate name by president or other authorized
officer. If a partnership, please sign in
partnership name by authorized persons.

Dated:_____________________________

X_________________________________
Signature

X_________________________________
Signature, if held jointly

-72-

Conservative Growth LifeStyle Fund
of North American Funds
286 Congress Street
Boston, Massachusetts 02210

P R O X Y

This proxy is solicited on behalf of the Board of Trustees of North American
Funds

The undersigned hereby appoints John I. Fitzgerald, Thomas Brown, Nori L.
Gabert, Alice T. Kane and Todd Spillane as proxies, each with the power to
appoint his substitute, and hereby authorizes each of them to represent and to
vote, as designated on the reverse side of this card, all of the shares of the
Conservative Growth LifeStyle Fund (the "Fund") of North American Funds held of
record by the undersigned on September 17, 2001, at a Special Meeting of
Shareholders of the Fund to be held at the principal executive offices of North
American Funds, 786 Congress Street, Boston, Massachusetts 02210 on November 7,
2001 at 10 a.m. Eastern Time and at any adjournment thereof.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER HEREIN
DIRECTED BY THE UNDERSIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY
WILL BE VOTED FOR PROPOSALS 1(a), 1(b), 2 AND 3.

(Continued and to be signed on the reverse side)

-73-

THE BOARD OF TRUSTEES RECOMMENDS A VOTE FOR THE FOLLOWING:
---

1. To approve or disapprove a new investment advisory agreement FOR [_] AGAINST [_] ABSTAIN [_]
between American General Asset Management Corp. ("AGAM") and
North American Funds on behalf of the Fund, the terms of which
are the same in all material respects as the previously existing
investment advisory agreement with AGAM.

3. In their discretion, the named proxies may vote to transact FOR [_] AGAINST [_] ABSTAIN [_]
such other business as properly may come before the meeting or
any adjournment thereof

RECEIPT OF THE NOTICE OF THE SPECIAL MEETING AND THE ACCOMPANYING
PROXY STATEMENT IS HEREBY ACKNOWLEDGED.

Dated:______________________________________

X___________________________________________
Signature

X___________________________________________
Signature, if held jointly

-74-