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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001305767-09-000013.txt : 20090915
<SEC-HEADER>0001305767-09-000013.hdr.sgml : 20090915
<ACCEPTANCE-DATETIME>20090915145756
ACCESSION NUMBER:		0001305767-09-000013
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20090915
DATE AS OF CHANGE:		20090915
EFFECTIVENESS DATE:		20090915

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PIONEER HIGH INCOME TRUST
		CENTRAL INDEX KEY:			0001166258
		IRS NUMBER:				020563892
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-21043
		FILM NUMBER:		091069768

	BUSINESS ADDRESS:	
		STREET 1:		60 STATE ST.
		STREET 2:		13TH FL.
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		6174224947

	MAIL ADDRESS:	
		STREET 1:		60 STATE ST
		STREET 2:		13TH FL
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>hit091509pxyltrdefa14a.txt
<DESCRIPTION>SHAREHOLDER LETTER FOR HIGH INCOME TRUST
<TEXT>


                                                      Shareholder Proxy Services
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                                                              September 15, 2009

                                IMPORTANT MATTER

REG1
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REG 2
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REG 3
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REG 4
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REG 5
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REG 6
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REG 7
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Re:  Pioneer High Income Trust (NYSE: PHT)
     Cusip: 72369H106


Dear Shareholder:

Our firm has been retained by Pioneer High Income Trust to contact you regarding
your investment in common shares of the Trust, as of record date
July 9, 2009. We have attempted to contact you, but have yet to be successful.

Please  contact  us   immediately  at   1-800-232-1064  between the hours of
9:00 a.m. and 11:00 p.m., Eastern Standard Time.

Thank you in advance for your assistance with this matter.


Sincerely,


Fred Bonnell
Investor Relations Supervisor
Shareholder Services
The Altman Group

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                                                                        "tag id"

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                  60 East 42nd Street, New York, New York 10165

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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