Proxy Statement (definitive) (def 14a)

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Filed by the Registrant

ý

Filed by a Party other than the Registrant

o

Check the appropriate box:

o

Preliminary Proxy Statement

o

Confidential, for Use of the Commission only (as permitted by Rule 14a-6(e)(2))

o

Definitive Proxy Statement

x

Definitive Additional Materials

o

Soliciting Material Pursuant to §240.14a-12

AdvisorOne Funds

(Name of Registrant as Specified in Its Charter)

Not Applicable

(Name of Person (s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check the appropriate box):

ý

No fee required.

o

Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

1)

Title of each class of securities to which transaction applies:

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2)

Aggregate number of securities to which transaction applies:

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3)

Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (Set forth the amount on which the filing fee is calculated and state how it was determined):

__________________________________________________________________________________

4)

Proposed maximum aggregate value of transaction:

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5)

Total fee paid:

__________________________________________________________________________________

o

Fee paid previously with preliminary materials:

o

Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously.  Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

1)

Amount Previously Paid:

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2)

Form, Schedule or Registration Statement No.:

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3)

Filing Party:

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4)

Date Filed:

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Dear Retirement Plan Administrator,

Recently, your plan received materials in the mail regarding the Special Meeting of Shareholders for the AdvisorOne Funds that was originally scheduled for March 28, 2013.   The meeting has been adjourned to April 9, 2013 to allow us to solicit additional votes needed in connection with the meeting proposals.    In order to move forward with this important proposal that affects the continued management of your plan, we must hear from at least ½ of all shareholders so your prompt response is extremely important.

The AdvisorOne Funds have made it very easy for you to vote.  Please follow one of the following methods to record your vote:

1.

Online :  Log on to the website listed on your proxy card; enter your control number located on your proxy card, and vote by following the on screen prompts.

2.

Phone:  Please call the toll-free touchtone voting number listed on your proxy card with your control number located on your proxy card and follow the touchtone prompts.

VOTING TAKES ONLY A FEW MINUTES

PLEASE  VOTE TODAY

(If you have recently voted, thank you and please disregard this notice.)

Thank you for your prompt attention to this matter.

AdvisorOne Funds