Edgar Filing: BHP BILLITON LTD

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

April 18, 2006

BHP Billiton Limited -----------------------------------
(Translation of registrant's name into English)

180 Lonsdale Street Melbourne VIC 3000 Australia
----------------------------------- (Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F: [x] Form 20-F [ ] Form 40-F

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): [ ]

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): [ ]

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934: [ ] Yes [x] No

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): n/a

18 April 2006

To:	Australian Stock Exchange	cc:	New York Stock Exchange
			Swiss Stock Exchange
			JSE Securities Exchange SA
	London Stock Exchange		Deutsche Bank UBS Zurich

Notification of Change of Interests of Directors and Connected Persons

(Australian Stock Exchange Listing Rules Appendix 3Y)

(Listing Rules & Disclosure Rules of the UK Listing Authority)

Name of entities	BHP Billiton Limited	BHP Billiton Plc
	ABN 49 004 028 077	REG NO 3196029

As part of a dual listed company structure, the Group voluntarily notifies all stock exchanges on which either BHP Billiton Plc or BHP Billiton Limited have primary or secondary listings, all those interests of directors and persons discharging managerial responsibilities of both entities in the securities of both entities (and changes to those interests) which are required to be disclosed under the Australian Stock Exchange (ASX) Listing Rules, the Listing Rules and Disclosure Rules of the United Kingdom Listing Authority, the Australian Corporations Act, the United Kingdom Companies Act and the Group's Securities Dealing Code.

We (the entities) advise the following information under ASX Listing Rule 3.19A.2, the UK Listing Authority Disclosure Rule 3.1.4 and as agent for the director / person discharging managerial responsibilities for the purposes of section 205G of the Australian Corporations Act and in accordance with the Group's Securities Dealing Code.

Name of director / person discharging managerial responsibilities	Dr J G Buchanan
Date of last notice	26 August 2005
Date issuer informed of transaction	13 April 2006
Date and place of transaction	13 April 2006 on the London Stock Exchange

Part 1 - Change of relevant interests in securities

Included in this Part are:

in the case of a trust, interests in the trust made available by the responsible entity of the trust;
details of the circumstance giving rise to the relevant interest;
details and estimated valuation if the consideration is non-cash; and
changes in the relevant interest of Connected Persons of the director and/or person discharging managerial responsibilities.

Direct or indirect interest	Direct
Nature of indirect interest (including registered holder and the identity of a Connected Person if applicable)	-
No. of securities held prior to change	10,000
Class	Ordinary fully paid shares of US$0.50 in BHP Billiton Plc
Number acquired	10,000
Number disposed	-
Value/Consideration	Purchase at GPB 11.18 per share
No. of securities held after change	20,000
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	On-market purchase
Any additional information	-

Part 2 - Change of interests in contracts other than as described in Part 3

Included in this Part are:

only details of a contract in relation to which the interest has changed; and
details and estimated valuation if the consideration is non-cash.

Detail of contract	-
Nature of interest (including the identity of a Connected Person if applicable)	-
Name of registered holder (if issued securities)	-
No. and class of securities to which interest related prior to change (including total percentage holding)	-
Interest acquired	-
Interest disposed	-
Value/Consideration	-
Interest after change	-
No. and class of securities to which interest related after the change (including total percentage holding)	-

Part 3 - Change of interests in options or other rights granted by the entities

Included in this Part are only details of options or other rights granted which have changed, save for the total number of securities over which options or other rights are held following this notification.

Date of grant	-
Period during which or date on which exercisable	-
Total amount paid (if any) for the grant	-
Description of securities involved: class; number (including percentage of issued holding)	-
Exercise price (if fixed at time of grant) or indication that price is to be fixed at time of exercise	-

Total number of securities over which options or other rights held at the date of this notice (including total percentage holding)	-
Any additional information	-

Part 4 - Contact details

Name of authorised officers responsible for making this notification on behalf of the entities	Mr S A Butcher - BHP Billiton Limited Ms E A Hobley - BHP Billiton Plc - BHP Billiton Plc
Contact details	Mr S A Butcher Tel: +61 3 9609 3323 Fax: +61 3 9609 4372 Ms E A Hobley Tel: +44 20 7802 4054 Fax: +44 20 7802 3054

BHP Billiton Limited ABN 49 004 028 077
Registered in Australia
Registered Office: Level 27, 180 Lonsdale Street Melbourne Victoria 3000
Telephone +61 1300 554 757 Facsimile +61 3 9609 3015

BHP Billiton Plc Registration number 3196209
Registered in England and Wales
Registered Office: Neathouse Place London SW1V 1BH United Kingdom
Telephone +44 20 7802 4000 Facsimile +44 20 7802 4111

The BHP Billiton Group is headquartered in Australia

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

		BHP Billiton Limited

Date: 18 April 2006	By:	Karen Wood
	Name:	Karen Wood
	Title:	Company Secretary