ASX LIMITED — Interim / Quarterly Report 2012

May 2, 2012

Office of General Counsel and Company Secretariat

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ASX Limited ABN 98 008 624 691

Exchange Centre 20 Bridge Street Sydney NSW 2000 PO Box H224 Australia Square NSW 1215 Telephone +61 2 9227 0000 Direct +61 2 9227 0765 amanda.harkness@asx.com.au

www.asx.com.au

3 May 2012

Australian Securities and Investments Commission Mr Oliver Harvey Acting Senior Executive Leader, Exchange Market Operators Level 5, 100 Market Street SYDNEY NSW 2000

ASX Market Announcements Office ASX Limited 20 Bridge Street SYDNEY NSW 2000

For announcement to the market

Attached is copy of the ASX Group Monthly Activity Report for April 2012.

Yours sincerely,

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Amanda J Harkness Group General Counsel & Company Secretary

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MARKET ANNOUNCEMENT

3 May 2012

ASX Gr o up Monthly Activity Report – A pril 2012

The value of ASX-listed stocks, as mea s ured by the A ll Ordinaries Index, rose 1.1% in April 2 0 12. This per f ormance wa s marginally b e low the rise in Hong Kong of 2.6% and stronger th a n declines o n other major markets, in c luding Japa n down 5.6%, G ermany do w n 2.7%, Sing a pore down 1.1%, the US d own 0.7% and the UK down 0.5%.

Volatility me a sures for the Australian equity market f e ll in line with long-term averages during A pril:

• Current volatility (as measured b y the averag e daily move m ent in the A ll Ordinaries Index) was 0 .5% in April , marginally down on t h e previous m o nth (0.6%).

• Expected future volatility (as measured by the S &P/ASX 200 VIX) fell in A pril to an av e rage of 15.5 (compared t o 16.7 in M arch).

AUSTRALIAN SECURITIES EXCHANGE

Listings and capital raisings

• In April 2012 total capital raised i n cluding scrip - for-scrip totalled $4.6 billi o n, down 51 % on the $9. 4 billion in th e previou s correspondi n g period (pc p ).

Listing s and Capita l Raisings Apr 20 Mon 12 th Apr M 2011 onth A F pr 2012 inancial YTD Apr 2011 Financial YTD	Listing s and Capita l Raisings Apr 20 Mon 12 th Apr M 2011 onth A F pr 2012 inancial YTD Apr 2011 Financial YTD
New lis ted entities a dmitted	-18 2,22 -1 35 3,99 4,34 -32 27 4,62 9 % 5 2 % 5 2 6 7 6 % 7 3 4 9 11 ,238 330 ,086 ,416 ,022 ,438 84 -36% 8,205 26,556 34,761 -35% 4,773 39,534 131 23,479 29,889 53,368 23,467 76,835
Change Total li on pcp sted entities (at end of mo nth)
Change Initial c Second on pcp apital raised ary capital r ($million) aised ($millio n)
Total c Change Other c scrip ($ Total c scrip ($ apital raised on pcp apital raised million) apital raised million) ($million) including sc including sc rip-for- rip-for-

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Trading – Cash markets (including equities, interest rates and warrants trades)

• In April 2012 the number of trades was flat on the pcp, while the total value of trading was 29% lower than the pcp.

Cash Markets	Apr 2012 Month	Apr 2011 Month	Apr 2012 Financial	Apr 2011 Financial
			YTD	YTD
Total trading days	18	18	210	210
Cash market volume
Total trades	11,143,765	11,168,512	137,071,849	117,843,737
Change on pcp	-		16%
Average daily trades	619,098	620,473	652,723	561,161
Change on pcp	-		16%
Cash market value (including value of
crossed trades)
Total value ($billion)	73.924	103.818	994.853	1,111.024
Change on pcp	-29%		-10%
Average daily value ($billion)	4.107	5.768	4.737	5.291
Change on pcp	-29%		-10%
Average value per trade ($)	6,634	9,296	7,258	9,428
Change on pcp	-29%		-23%
Cash market behaviour statistics
Turnover crossed (%)	24%	28%	24%	28%
Off-market turnover crossed (%)	12%	15%	12%	15%
On-market turnover crossed (%)	12%	13%	12%	13%
Total value crossed ($billion)	17.676	28.575	242.062	310.874
Non billable value (above cap) ($billion)	0.940	3.442	19.994	33.302
Total billable value ($billion)	72.984	100.376	974.859	1,077.722
Cash market includes equity, warrant and interest rate
market transactions

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Trading – Financial derivatives markets

• In April 2012 total derivatives traded on ASX decreased 7% on the pcp. Index options volume was 8% higher than pcp while single stock options volume was 12% lower than the pcp.

• Total futures and options on futures volume on ASX 24 increased 10% on the pcp.

Derivatives Markets		Apr 2012	Apr 2011	Apr 2012	Apr 2011
		Month	Month	Financial YTD	Financial YTD
Derivatives total trading days		18	18	210	210
(Derivatives includes exchange-traded	options,
commodities, and index options and futures)
Derivatives volume
Total contracts		11,350,586	1,855,208	134,588,031	18,271,782
Total contracts – converted to previous		1,724,033	1,855,208	22,249,612	18,271,782
contract size
Change on pcp		-7%		22%
Average daily contracts		630,588	103,067	640,895	87,008
Average daily contracts – converted to		95,780	103,067	105,951	87,008
previous contract size
Change on pcp		-7%		22%
Futures and options total trading days		19	19	212	212
(Futures and options includes interest rate, ASX SPI
200 and energy contracts)
Futures volume		6,442,012	5,893,058	79,851,978	71,471,808
Change on pcp		9%		12%
Average daily contracts		339,053	310,161	376,660	337,131
Change on pcp		9%		12%
Options on futures volume
Total contracts		294,504	249,724	2,242,677	3,575,950
Change on pcp		18%		-37%
Average daily contracts		15,500	13,143	10,579	16,868
Change on pcp		18%		-37%
Total futures and options on futures volume
Total contracts		6,736,516	6,142,782	82,094,655	75,047,758
Change on pcp		10%		9%
Average daily contracts		354,553	323,304	387,239	353,999
Change on pcp		10%		9%
Contracts for difference market
Total trades		3,843	5,778	64,512	80,903
Total contracts traded		4,309,578	14,125,394	108,868,487	146,731,677
Notional value traded ($million)		113.0	218.4	2,092.1	3,010.8
Total open interest value (at end of
month) ($million)		67.4	77.6

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ASX CLEARING CORPORATION

Clearing

• Participant cash margin balances held on-balance sheet averaged $2.3 billion in April 2012 ($2.2 billion pcp).

ASX Clearing Corporation	Apr 2012	Apr 2011	Apr 2012	Apr 2011
	Month	Month	Financial	Financial
Collateral Balances – At End of Month			YTD	YTD
Cash margins held on-balance sheet:
- ASX Clear ($billion)	0.2	0.3
- ASX Clear (Futures) ($billion)	2.2	1.9
Cash equivalents held on-balance sheet – ASX Clear (Futures) ($billion)	0.0	0.0
Collateral cash cover held off-balance sheet
(equities and guarantees) – ASX Clear ($billion)	4.3	4.4
Total billable value cleared ($billion)	62.225	74.063	818.038	859.988

ASX SETTLEMENT CORPORATION

• The value of securities held in CHESS was 5% lower than the pcp and the number of dominant settlement messages was 13% lower than the pcp.

ASX Settlement	Apr 2012	Apr 2011	Apr 2012	Apr 2011
	Month	Month	Financial	Financial
			YTD	YTD
Value of CHESS holdings – period end ($billion)	1,198.1	1,262.4
Dominant settlement messages (million)	1.1	1.3	13.4	13.9
Austraclear Settlement and Depository
Austraclear securities holdings – period end	1,317.8	1,223.2
($billion)

A separate ASX Compliance activity report for April 2012 has also been released today.

For further information:

Media Investor Relations Kristen Kaus Stephen Hammon Media and Communications Executive General Manager, Finance (BH) +61 2 9227 0410 (BH) +61 2 9227 0260 (M) 0421 380773 (M) 0488 212755 kristen.kaus@asx.com.au stephen.hammon@asx.com.au www.asxgroup.com.au/media-releases.htm www.asxgroup.com.au/investor-relations.htm

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