Obligation Ontarian Province 2.7% ( US6832348Y74 ) en USD

Ontarian Province

100 % ⇌

Canada

US6832348Y74 ( en USD )

2.7% par an ( paiement semestriel )

16/06/2015 - Obligation échue

Prospectus brochure de l'obligation Province of Ontario US6832348Y74 en USD 2.7%, échue

5 000 USD

2 500 000 000 USD

6832348Y7

L'Ontario est la province la plus peuplée du Canada, riche en ressources naturelles, avec une économie diversifiée axée sur les secteurs manufacturier, des services et des technologies.

L'Obligation émise par Ontarian Province ( Canada ) , en USD, avec le code ISIN US6832348Y74, paye un coupon de 2.7% par an.
Le paiement des coupons est semestriel et la maturité de l'Obligation est le 16/06/2015

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Filed pursuant to Rule 424(b)(2)
of the Securities Act of 1933
Nos. 333-165529 and 333-159397
Prospectus Supplement to Prospectus dated May 13, 2010

US$2,500,000,000

Province of Ontario
(Canada)

2.70% Bonds due June 16, 2015

We will pay interest on the Bonds at the rate of 2.70% per year. Interest will be paid on June 16 and
December 16 of each year. The first interest payment will be on December 16, 2010. The Bonds will mature
on June 16, 2015. We may not redeem the Bonds before maturity, unless specified events occur involving
Canadian taxation.

Application will be made to the United Kingdom Financial Services Authority (the "UK Listing
Authority") in its capacity as competent authority under the Financial Services and Markets Act 2000, as
amended ("FSMA"), for the Bonds to be admitted to the Official List of the UK Listing Authority and to the
London Stock Exchange plc for the Bonds to be admitted to trading on the London Stock Exchange plc's
Regulated Market, which is a regulated market for the purposes of the Markets in Financial Instruments
Directive (2004/39/EC). References herein to the Bonds being listed on the London Stock Exchange plc shall
mean the Bonds have been admitted to the Official List of the UK Listing Authority and admitted to trading
on the London Stock Exchange plc's Regulated Market. We have undertaken to the underwriters to use all
reasonable efforts to have the Bonds listed on the London Stock Exchange plc as soon as possible after the
closing of the issue. We cannot guarantee that these applications will be approved, and settlement of the
Bonds is not conditional on obtaining the listing.

Investing in the Bonds involves risks. See "Risk Factors" beginning on page S-7.

Neither the Securities and Exchange Commission nor any other regulatory authority has approved
or disapproved of these securities or passed upon the accuracy or adequacy of this prospectus
supplement and the accompanying prospectus. Any representation to the contrary is a criminal
offense.

Per Bond
Total

Public Offering Price
99.954 % US$ 2,498,850,000
Underwriting Discount
0.175 % US$
4,375,000
Proceeds, before expenses, to Ontario
99.779 % US$ 2,494,475,000

The initial public offering price set forth above does not include accrued interest, if any. Interest on the
Bonds will accrue from June 16, 2010, and must be paid if the Bonds are delivered after that date.

The underwriters expect to deliver the Bonds in book-entry form through The Depository Trust Company,
CDS Clearing and Depository Services Inc., Clearstream Banking, société anonyme or Euroclear Bank
S.A./N.V. as the case may be, on or about June 16, 2010.

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Barclays CapitalDeutsche Bank SecuritiesMorgan StanleyRBC Capital Markets

BMO Capital MarketsCIBCNational Bank of Canada Financial Scotia Capital TD Securities

Prospectus Supplement dated June 9, 2010.
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The words "the Province", "we", "our", "ours" and "us" refer to the Province of Ontario.

We expect that delivery of the Bonds will be made against payment therefor on or about the date
specified on the cover page of this prospectus supplement, which is five business days following the date
of pricing of the Bonds (such settlement cycle being herein referred to as "T+5"). You should note that
the trading of the Bonds on the date of pricing or the next succeeding business day may be affected by the
T+5 settlement. See "Underwriting."

If and to the extent that this prospectus supplement is communicated in, or the offer of the Bonds to
which it relates is made in, any Member State of the European Economic Area that has implemented the
Prospectus Directive (2003/71/EC) (other than the United Kingdom, once the UKLA Prospectus (as
defined below) has been approved by the UK Listing Authority), this prospectus supplement and the offer
are only addressed to and directed at persons in that Member State who are qualified investors within the
meaning of such Directive (or who are other persons to whom the offer may lawfully be addressed) and
must not be acted upon by other persons in that Member State.

This prospectus supplement has been prepared on the basis that all offers of Bonds in the European
Economic Area (other than the United Kingdom, once the UKLA Prospectus has been approved by the
UK Listing Authority) will be made pursuant to an exemption under the Prospectus Directive
(2003/71/EC), as implemented in Member States of the European Economic Area, from the requirement
to produce or publish a prospectus for offers of the Bonds. Accordingly, any person making or intending
to make any offer within the European Economic Area of the Bonds which are the subject of the
placement referred to in this prospectus supplement should only do so in circumstances in which no
obligation arises for the Province or the underwriters to produce or publish a prospectus for such offer.
Neither the Province nor the underwriters have authorized, nor do they authorize, the making of any offer
of the Bonds through any financial intermediary, other than offers made by the underwriters which
constitute the final placement of the Bonds contemplated in this prospectus supplement.

This prospectus supplement does not constitute or form part of any offer or invitation to sell these
Bonds and is not soliciting any offer to buy these Bonds in any jurisdiction where such offer or sale is not
permitted. Unless and until it has been approved by the UK Listing Authority as part of the UKLA
Prospectus, this prospectus supplement is, for the purposes of Article 15 of the Prospectus Directive
(2003/71/EC), not a prospectus but an advertisement, and investors in the European Economic Area
should not subscribe for or purchase Bonds once listed on the London Stock Exchange plc except on the
basis of information in the UKLA Prospectus. The Province intends to file a single prospectus including
this prospectus supplement (the "UKLA Prospectus") pursuant to Section 5.3 of the Prospectus Directive
(2003/71/EC) with the UK Listing Authority, for the purpose of having the Bonds listed on the London
Stock Exchange plc as soon as possible after closing of this issue. In compliance with the Prospectus
Directive (2003/71/EC), the UKLA Prospectus will be published in due course, subject to its approval by
the UK Listing Authority, and investors will be able to obtain a copy of the UKLA Prospectus from the
office of the Province at the Ontario Financing Authority, One Dundas Street West, Suite 1400, Toronto,
Ontario, Canada M5G 1Z3 and the United Kingdom paying agent, The Bank of New York Mellon, One
Canada Square, London E14 5AL, England. Investors in the European Economic Area should not
subscribe for any Bonds referred to in this advertisement except on the basis of information in the UKLA
Prospectus.

Investors outside the European Economic Area should rely only on the information contained in this
prospectus supplement and in the prospectus dated May 13, 2010 (the "Basic Prospectus"). The Basic
Prospectus contains or incorporates by reference information about us and other matters, including a
description of some of the terms of our Bonds, and should be read together with this prospectus
supplement. We have not, and the underwriters have not, authorized any person to provide you with
different information. If anyone provides you with different or inconsistent information, you should not
rely on it.

You should rely only on the information incorporated by reference or contained in the Basic
Prospectus or this prospectus supplement. We have not authorized anyone to provide you with different or
additional information. If anyone provides you with different or inconsistent information, you should not
rely on it. We are not, and the underwriters are not, making an offer to sell these Bonds in any jurisdiction
where the offer or sale is not permitted. Before making an investment decision, you should consult your
legal and investment advisors regarding any restrictions or concerns that may pertain to you and your
particular jurisdiction. You may assume that the information appearing in this prospectus supplement and
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the Basic Prospectus, as well as the information we previously filed with the United States Securities
and Exchange Commission, or the SEC, and incorporated by reference, is accurate in all material respects
as of the date on the front cover of this prospectus supplement only.

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In connection with the issue of the Bonds, the underwriters (or persons acting on their behalf) may
over-allot Bonds or effect transactions with a view to supporting the market price of the Bonds at a level
higher than that which might otherwise prevail. However, there is no assurance that the underwriters (or
persons acting on their behalf) will undertake stabilization action. Any stabilization action may begin on
or after the date on which adequate public disclosure of the terms of the offer of the Bonds is made and, if
begun, may be ended at any time, but it must end no later than the earlier of 30 days after the issue date of
the Bonds and 60 days after the date of the allotment of the Bonds. Any stabilization action or
over-allotment must be conducted by the relevant underwriters (or persons acting on their behalf) in
accordance with all applicable laws and rules.

We confirm that this prospectus supplement and the Basic Prospectus (including the documents
incorporated by reference herein and therein) contain all information which is material in the context of
the issue of the Bonds with regard to us and the Bonds; that where information has been sourced from a
third party the information contained herein or incorporated by reference has been accurately reproduced
and that as far as the Province is aware and is able to ascertain from information published by that third
party, no facts have been omitted which would render such information included or incorporated by
reference, inaccurate or misleading.

The Province accepts responsibility for the information in this prospectus supplement and the Basic
Prospectus (including information incorporated by reference herein and therein). Having taken all
reasonable care to ensure that such is the case, the information contained in this prospectus supplement
(including information incorporated by reference herein for purposes of the Prospectus Directive
(2003/71/EC) only under "Documents Incorporated by Reference") and the Basic Prospectus is, to the
best of the knowledge of the Province, in accordance with the facts and contains no omissions likely to
affect its import.

We have filed a registration statement with the SEC covering the portion of the Bonds to be sold in
the United States or in circumstances where registration of the Bonds is required. For further information
about us and the Bonds, you should refer to our registration statement and its exhibits. This prospectus
supplement and the Basic Prospectus summarize material provisions of the agreements and other
documents that you should refer to. Since the prospectus supplement and the Basic Prospectus may not
contain all the information that you may find important, you should review the full text of these
documents and the documents incorporated by reference in the Basic Prospectus.

We file reports and other information with the SEC in the United States. You may read and copy any
document we file at the SEC's public reference room in Washington, D.C. Please call the SEC at 1-800-
SEC-0330 for more information about the public reference room and the applicable copy charges.

References in this prospectus supplement to the European Economic Area and Member States of the
European Economic Area are to the member states of the European Union together with Iceland, Norway
and Liechtenstein.

References in this prospectus supplement to "$" and "Canadian dollars" are to lawful money of
Canada and "US$" and "U.S. dollars" are to lawful money of the United States of America. The noon
exchange rate between the US$ and the Canadian dollar published by the Bank of Canada on June 9, 2010
was approximately $1.00 = US$0.9620.

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TABLE OF CONTENTS

Page

PROSPECTUS SUPPLEMENT

Summary of the Offering
S-5
Risk Factors
S-7
Description of Bonds
S-10
Clearing and Settlement
S-15
Taxation
S-18
Credit Ratings
S-19
Underwriting
S-20
Legal Matters
S-22
Authorized Agent
S-23
Documents Incorporated by Reference
S-23
Forward-Looking Statements
S-23
General Information
S-24

PROSPECTUS

About This Prospectus

3
Where You Can Find More Information

3
Forward-Looking Statements

4
Province of Ontario

4
Description of Debt Securities and Warrants

4
Use of Proceeds
11
Plan of Distribution
11
Debt Record
12
Legal Matters
12
Authorized Agent
12
Experts and Public Official Documents
12

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SUMMARY OF THE OFFERING

This summary must be read as an introduction to this prospectus supplement and the Basic
Prospectus (as well as any single prospectus under the Prospectus Directive (2003/71/EC), of
which these documents will form part, to be used for the purpose of obtaining admission of the
Bonds to the Official List of the UK Listing Authority and to trading on the London Stock Exchange
plc's Regulated Market (the "UKLA Prospectus")), and any decision to invest in the Bonds should
be based on a consideration of the prospectus supplement and the Basic Prospectus (or the UKLA
Prospectus, as the case may be) as a whole, including the documents incorporated by reference.
Following the implementation of the relevant provisions of the Prospectus Directive (2003/71/EC)
in each Member State of the European Economic Area no civil liability will attach to the Province
in any such Member State solely on the basis of this summary, including any translation thereof,
unless it is misleading, inaccurate or inconsistent when read together with the other parts of the
UKLA Prospectus. Where a claim relating to the information contained in the UKLA Prospectus is
brought before a court in a Member State of the European Economic Area, the plaintiff may, under
the national legislation of the Member State where the claim is brought, be required to bear the
costs of translating the UKLA Prospectus before the legal proceedings are initiated.

Issuer
The Province of Ontario.

Aggregate principal
amount
US$2,500,000,000.

Interest rate
2.70% per year.

Maturity date
June 16, 2015.

Interest payment
June 16 and December 16 of each year, commencing December 16, 2010.
dates
Interest will accrue from June 16, 2010.

Redemption
We may not redeem the Bonds prior to maturity, unless specified events
occur involving Canadian taxation.

Proceeds
After deducting the underwriting discount and our estimated expenses of
US$182,400, our net proceeds will be approximately US$2,494,292,600.

Markets
The Bonds are offered for sale in the United States, Canada, Europe and
Asia.

Listing
We will apply to have the Bonds listed on the London Stock Exchange plc.
We have undertaken to the underwriters to use all reasonable efforts to have
the Bonds admitted to the Official List of the UK Listing Authority and to
trading on the London Stock Exchange plc's Regulated Market as soon as
possible after the closing of the issue. We cannot guarantee that these
applications will be approved, and settlement of the Bonds is not conditional
on obtaining the listing.

Form of bond and
settlement
The Bonds will be issued in the form of one or more fully registered
permanent global bonds held in the name of Cede & Co., as nominee of The
Depository Trust Company, known as DTC, and will be recorded in a
register held by The Bank of New York Mellon, as Registrar. Beneficial
interests in the global bonds will be represented through book-entry accounts
of financial institutions acting on behalf of beneficial owners as direct and
indirect participants in DTC. Investors may elect to hold interests in the
global bonds through any of DTC (in the United States), CDS Clearing and
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Depository Services Inc., known as CDS, (in Canada) or Clearstream
Banking, société anonyme, known as Clearstream or Euroclear Bank
S.A./N.V., known as Euroclear (in Europe and in Asia), if they are
participants of such systems, or indirectly through organizations which are
participants in such systems. CDS will hold interests on behalf of its
participants directly through its account at DTC. Clearstream and Euroclear
will hold interests as indirect participants of DTC.

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Except in limited circumstances, investors will not be entitled to have Bonds
registered in their names, will not receive or be entitled to receive Bonds in
definitive form and will not be considered holders thereof under the fiscal
agency agreement.

Bonds will only be sold in minimum aggregate principal amounts of
US$5,000 and integral multiples of US$1,000 for amounts in excess of
US$5,000. Initial settlement for the Bonds will be made in immediately
available funds. Principal of and interest on the Bonds are payable in
U.S. dollars.

Withholding tax
Principal of and interest on the Bonds are payable by us without withholding
or deduction for Canadian withholding taxes to the extent permitted under
applicable law, as set forth in this prospectus supplement.

Status of the Bonds The Bonds will be our direct unsecured obligations and as among
themselves will rank pari passu and be payable without any preference or
priority. The Bonds will rank equally with all of our other unsecured and
unsubordinated indebtedness and obligations from time to time outstanding.
Payments of principal of and interest on the Bonds will be a charge on and
payable out of the Consolidated Revenue Fund of Ontario.

Risk Factors
We believe that the following factors represent the principal risks inherent in
investing in the Bonds: the Bonds may not be a suitable investment for all
investors; there is no active trading market for the Bonds; the Bonds are
subject to modification and waiver of conditions in certain circumstances;
because the Bonds are held by or on behalf of DTC, investors will have to
rely on its procedures for transfer, payment and communication with us;
interest payments may be subject to withholding tax in certain jurisdictions;
the laws governing the Bonds may change; investors may not be able to sell
their Bonds at prices that will provide them with a yield comparable to
similar investments that have a more highly developed secondary market;
investors may be subject to exchange rate risks and exchange controls; credit
ratings might not reflect all risks; legal investment considerations may
restrict certain investments; and we have ongoing normal course business
relationships with some of the underwriters and their affiliates that could
create the potential for, or perception of, conflict among the interests of
underwriters and prospective investors.

We may be contacted at the Ontario Financing Authority, 1 Dundas Street West, 14th Floor,
Toronto, Ontario, Canada M5G 1Z3. Our telephone number is (416) 325-8053.
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