IRON BEAR RESOURCES LTD — Major Shareholding Notification 2010

Apr 5, 2010

Oklo Uranium Limited

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6 April 2010

Announcements Platform ASX Limited Bridge Street Sydney NSW 2000

Initial Substantial Shareholder Notice

Please find enclosed an initial substantial shareholder notice issued to the Company by Cape Lambert Resources Limited.

Yours faithfully,

Oklo Uranium Limited

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Alan Boys Company Secretary

A: 47 Stirling Highway, Nedlands WA 6009 ABN: 53 121 582 607 T: +61 8 9386 4003 F: +61 8 9386 3004 W: www.oklouranium.com E: info@oklouranium.com

603 page 1/2 15 July 2001

Form 603

Corporations Act 2001

Section 671B

Notice of initial substantial holder

To Company Name/Scheme OKLO URANIUM LTD ACN/ARSN 121 582 607 1. Details of substantial holder (1) Name CAPE LAMBERT RESOURCES LTD (" CAPE LAMBERT ") AND EACH ENTITY LISTED ON ATTACHED ANNEXURE "A" (" SUBSIDIARIES ") ACN / ARSN (if applicable) 095 047 920 (CAPE LAMBERT) AND REFER TO ANNEXURE "A"

The holder became a substantial holder on 18 / 03 / 2010

2. Details of voting power

The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in on the date the substantial holder became a substantial holder are as follows:

Class ofsecurities (4)	Numberofsecurities	Numberofsecurities	Persons’ votes (5)	Persons’ votes (5)	Voting power(6)
Fully paid ordinary shares	7,500,000		7,500,000		5.15% based on 145,500,225 shares on issue
s of relevant interests e of the relevant interest the substantial holder or an associate had in the following voting securities on the date the substantial holder are as follows:
Holder of relevant interest		Nature of relevant interest(7)		Class and number of securities
Cape Lambert		Registered holder of the shares.		7,500,000 Fully paid ordinary shares
s of present registered holders ns registered as holders of the securities referred to in paragraph 3 above are as follows:
Holder of relevant interest	Registered holder of securities		Person entitled to be registered as holder(8)		Class and number of securities
Cape Lambert	Cape Lambert		Cape Lambert		7,500,000 Fully paid ordinaryshares

3. Details of relevant interests

The nature of the relevant interest the substantial holder or an associate had in the following voting securities on the date the substantial holder became a substantial holder are as follows:

4. Details of present registered holders

The persons registered as holders of the securities referred to in paragraph 3 above are as follows:

5. Consideration

The consideration paid for each relevant interest referred to in paragraph 3 above, and acquired in the four months prior to the day that the substantial holder became a substantial holder is as follows:

Holder of relevant interest	Date of acquisition	Consideration (9)	Consideration (9)	Class and number of securities
		Cash	Non-cash
Cape Lambert	18/03/2010	Cash - $300,000 (allotment of rights issue shares at $0.04pershare)		7,500,000 Fully paid ordinary shares

Form 603_Oklo_CFE_310310.DOC

603 2/2 15 July 2001

6. Associates

The reasons the persons named in paragraph 3 above are associates of the substantial holder are as follows:

	Name andACN/ARSN(ifapplicable) Nature ofassociation
	Subsidiaries Associates of Cape Lambert under section 12(2)(a) of the Act
	because they are controlled by CapeLambert.
7. Addresses
The addresses of persons named in this form are as follows:
	Name Address
	CapeLambert and the Subsidiaries C/- 18 Oxford Close,Leederville,Western Australia 6007
Signature
	print name Eloisevon Puttkammercapacity Company Secretary
	sign here date 31 / 03 / 2010
	DIRECTIONS
(1)	If there are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the
	manager and trustee of an equity trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons
	are essentially similar, they may be referred to throughout the form as a specifically named group if the membership of	each group, with the
	names and addresses of members is clearly set out in paragraph 7 of the form.
(2)	See the definition of “associate” in section 9 of the Corporations Act 2001.
(3)	See the definition of “relevant interest” in sections 608 and 671B(7) of the Corporations A.
(4)	The voting shares of a company constitute one class unless divided into separate classes.
(5)	The total number of votes attached to all the voting shares in the company or voting interests in the scheme (if any) that the person or an
	associate has a relevant interest in.
(6)	The person’s votes divided by the total votes in the body corporate or scheme multiplied by 100.
(7)	Include details of:
	(a) any relevant agreement or other circumstances by which the relevant interest was acquired. If subsection 671B(4) applies, a copy of any
	document setting out the terms of any relevant agreement, and a statement by the person giving full and accurate		details of any contract,
	scheme or arrangement, must accompany this form, together with a written statement certifying this contract, scheme or arrangement; and
	(b) any qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of
	the securities to which the relevant interest relates (indicating clearly the particular securities to which the qualification applies).
	See the definition of “relevant agreement” in section 9 of the Corporations Act 2001.
(8)	If the substantial holder is unable to determine the identity of the person (eg. If the relevant interest arises because of an		option) write “unknown”.
(9)	Details of the consideration must include any and all benefits, money and other, that any person from whom a relevant	interest was acquired has,
	or may, become entitled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or
	not of a contingency. Details must be included of any benefit paid on behalf of the substantial holder or its associate in	relation to the
	acquisitions, even if they are not paid directly to the person from whom the relevant interest was acquired.

Form 603_Oklo_CFE_310310.DOC

This is Annexure “A” of 2 pages to the Form 603 dated 31 March 2010.

ELOISE VON PUTTKAMMER Company Secretary

Details of subsidiaries of Cape Lambert Resources Limited

Company	Countryof incorporation	ACN/CompanyNo.
Algarrobo Holdings (BVI) Limited	British Virgin Islands	669079
Allied Mining Pty Ltd	Australia	097 479 420
Andalucla Mineral Services Limited	England
Austalian Ferroalloys Pty Ltd	Australia	095 682 643
Australis Exploration Limited	Australia	125 939 291
Buka Minerals(Lady Loretta No.2) Pty Ltd	Australia	064 048 497
Buka Minerals Pty Limited	Australia	000 741 373
Buka Technologies Pty Ltd	Australia	077 189 096
Cape Lambert Lady Annie Exploration Pty Ltd	Australia	136 930 222
Cape Lambert Lady Loretta Pty Ltd	Australia	140 426 384
Cape Lambert Leichhardt Pty Ltd	Australia	140 474 693
Cape Lambert MinSec Pty Ltd	Australia	136 930 204
CopperCo Minerals Pty Ltd	Australia	079 361 407
Copperwell Pty Ltd	Australia	009 398 725
Cuesta Resources(BVI) Limited	British Virgin Islands	669078
Danae Resources Pty Limited	Australia	009 173 880
Dempsey Resources Pty Ltd	Australia	100 305 486
Evanston Resources NL	Australia	067 702 452
Goodwest Investments Pty Ltd	Australia	097 126 773
Greenwich Resources a.s.(Czech Republic)	Czech Republic	630 79 143
International Goldfields(Romania) Limited	Australia	091 744 437
Kadina Pty Limited	Australia	009 633 096
Kyprou Gold Limited	England	3226395
Lady Annie Limited	British Virgin Islands	1546805
Manor Resources NL	Australia	009 280 086
Millennium Minerals(Operations) Pty Ltd	Australia	077 507 521
Mineral Securities(China) Pty Ltd	Australia	109 470 644
Mineral Securities(NK) Pty Ltd	Australia	111 364 562
Mineral Securities(SA) P/L	South Africa	2002/024855/07
Mineral Securities(UK) Ltd	England	1862971
Mineral Securities Holdings Pty Ltd	Australia	092 525 614
Mineral Securities Hong Kong (NK) Limited	HongKong	925294
Mineral Securities Investments (Australia) Pty Ltd	Australia	125112325
Mineral Securities Limited	British Virgin Islands	1390447
Mineral Securities Operations Limited	Australia	091 158 593
Minsec Investment Holdings (BVI) Limited	British Virgin Islands

Form 603_Oklo_CFE_310310.DOC

Minsec Investments(BVI) Limited	British Virgin Islands	1390446
Marampa Iron Ore Limited	Bermuda
Mojo Mining Pty Ltd	Australia	120 213 005
MS Corporate Director Limited	England	5972828
MS Corporate Secretary Limited	England	5972837
Mt Anketell Pty Ltd	Australia	111 501 672
Multiplex Development Zarmitan Limited	England	4321659
Platmin Holdings Pty Ltd	Australia	117 927 965
Q Copper(BVI) Limited	British Virgin Islands	1546808
Q Copper Australia Limited	Australia	140 409 454
Scarborough Minerals(Australia) Pty Ltd	Australia	119 248 243
Scarborough Minerals(Finance) Limited	England	2671151
Scarborough Minerals International BV	Netherlands
Scarborough Minerals Overseas Holdings Limited	England	2198202
Scarborough NL	Australia	008 744 714
Sierra Explorations SA	Chile
Sierra Minerals Limited	England	5463068
Thrace Investments BV	Netherlands
Thrace Minerals Exploration and Mining SA	Greece

Form 603_Oklo_CFE_310310.DOC