UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 144

NOTICE OF PROPOSED SALE OF SECURITIES

PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933

ATTENTION: Transmit for filing 3 copies of this form concurrently with either placing an order with a broker to execute sale or executing a sale directly with a market maker.

1(a) NAME OF ISSUER

(b) IRS IDENT. NO

(c) S.E.C. FILE NO.

Arrow Financial Corporation

22-2448962

0-12507

1(d)ADDRESS OF ISSUER STREET

CITY

STATE

ZIP CODE

(e)TELEPHONE NO.

AREA CODE

NUMBER

250 Glen Street

Glens Falls

NY

12801

518

745.1000

2(a) NAME OF PERSON FROM WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD

(b) IRS IDENT NO.

(c)RELA-

TIONSHIP TO ISSUER

(d)ADDRESS STREET CITY STATE ZIP

Kenneth C. Hopper

Director

Hermanus Estate

257 Friends Lake Road

Chestertown, NY 12817

3(a) Title of the Class of Securities

(b) Name and Address of Each Broker Through Whom the Securities are to be Offered or Each Market Maker Who is Acquiring the Securities

(c) Number of Shares or Other Units To Be Sold

(d) Aggregate Market Value

(e) Number of Shares or Other Units Outstanding

(f)Approx-

imate Date of Sale

(g)Name of Each Securities Exchange

Common Stock

Citigroup Global Mkts Inc.
390 Greenwich St.
3rd Floor
New York NY 10013

4,809

$129,651

10,667,104

6/3/09

NASDAQ

INSTRUCTIONS:

1.(a)

Name of issuer

(b)

Issuer=s IRS Identification Number

(c)

Issuer=s S.E.C. file number, if any

(d)

Issuer=s address, including zip code

(e)

Issuer=s telephone number, including area code

2.(a)

Name of person for whose account the securities are to be sold

(b)

Such person=s I.R.S. identification number, if such person is an entity

(c)

Such person=s relationship to the issuer (i.e. officer, director, 10% stockholder, or member of immediate family of any of the foregoing)

(d)

Such person=s address, including zip code

3.(a)

Title of the class of securities to be sold

(b)

Name and address of each broker through whom the securities are intended to be sold

(c)

Number of shares or other units to be sold (if debt securities, give the face amount)

(d)

Aggregate market value of the securities to be sold as of a specified date within 10 days prior to the filing of this notice.

(e)

Number of shares or other units of the class outstanding, or if debt securities the face amount thereof outstanding, as shown by the most recent report or statement published by the issuer

(f)

Approximate date on which the securities are to be sold

(g)

Name of each securities exchange, if any, on which the securities are to be sold

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

TABLE I - SECURITIES TO BE SOLD

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefore:

Title of the Class

Date You Acquired

Nature of Acquisition Transaction

Name of Person from Whom Acquired (If gift, also give date donor acquired)

Amount of Securities Acquired

Date of Payment

Nature of Payment

Common Stock

Acquired on various

dates

Automatic monthly cash contributions and Company match/discount, automatically reinvested cash dividends and stock dividends

Administrator of Dividend Reinvestment Plan or Stock Purchase Plan

4,809

Full payment made on each Date of Purchase

Company match/

discount, reinvested cash dividends, and stock dividends

INSTRUCTIONS:

1. If the securities were purchased and full payment therefore was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given.  If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment period.

2. If within two years after the acquisition of the securities the person for whose account they are to be sold had any short positions, put or other option to dispose of securities referred to in paragraph (d)(3) of Rule 144, furnish full information with respect thereto.

TABLE II - SECURITIES SOLD DURING THE PAST 3 MONTHS

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold:

Name and Address of Seller

Title of Securities Sold

Date of Sale

Amount of Securities Sold

Gross Proceeds

None

Remarks:

INSTRUCTIONS:

See the definition of Aperson@ in paragraph (a) of Rule 144.  Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current an prospective operations of the issuer of the securities to be sold which has not been publicly disclosed.

6/3/09

Kenneth C. Hopper

DATE OF NOTICE

(SIGNATURE)

The notice shall be signed by the person for whose account the securities are to be sold.

  At least one copy of the notice shall be manually signed.

Any copies not manually signed shall be typed or printed signatures.

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations

(See 18 U.S.C.1001)