Rio Tinto PLC (RTP) - 4 For 1 Stock Split - ISE.com

SERIES ADJUSTMENT - 2010-083
ONN INFORMATION CIRCULAR # 3509
April 13, 2010
Rio Tinto Plc(RTP)
4 for 1 Stock Split
Ex-Distribution Date: 4/30/2010
Rio Tinto Plc(RTP) has declared a 4 for 1 stock split payable to shareholders of record on Thursday, April 22,
2010. Distribution date for the stock split will be Thursday, April 29, 2010. Ex-distribution date for the stock
split will be Friday, April 30, 2010
Contract Adjustments:
Pursuant to the by-laws of The Options Clearing Corporation ("OCC"), all Rio Tinto Plc options will
be adjusted as follows:
Adjustment Date:
Effective with exercises of Friday, April 30, 2010 and thereafter.
ISE Underlying Symbol(s):
Unchanged - RTP
OPRA Option Symbol(s):
Unchanged - (RTP/RJT/ZLR/ZCF/LRZ/LVV)
No. Of Contracts : 4
Strike Prices:
Reduced by dividing existing strikes by 4 and rounding to the nearest penny.
Multiplier: 100 (e.g. Premium of 1.00 = $100)
New Deliverable/Contract:
100 Shares of RIO TINTO PLC (RTP)
GTC Order Cancellation:
On Thursday, April 29, 2010, immediately after the ISE close, all resting orders in the RTP order book
will be cancelled.
Position and Exercise Limits:
The ISE Surveillance Department has determined that position and exercise limits following this stock
split will be 100,000,000 Shares through the January 21, 2012 expiration date at which time it will revert to
its standard limit of 25,000,000 Shares.
Adjusted Exercise Prices:
Effective with the opening of business on Friday, April 30, 2010, trading in RTP series will be on an
adjusted basis. The strike price adjustments below are expected based on the current outstanding series.
Any additional RTP series added prior to the effective date will also be adjusted in the manner outlined
below.

RIO TINTO PLC(RTP)
RIO TINTO PLC(RTP)
(Before 4/30/2010) (Beginning 4/30/2010)
100 Shares 100 Shares
ISE Series OPRA Month Strike Calls/Puts ISE Series OPRA Month Strike Calls/Puts
RTP0Apr85.0C/P RTP Apr 85 D /P RTP0Apr21.3CX/PX RTP Apr 21.25 D /P
RTP0Apr90.0C/P RTP Apr 90 D /P RTP0Apr22.5CX/PX RTP Apr 22.5 D /P
RTP0Apr95.0C/P RTP Apr 95 D /P RTP0Apr23.8CX/PX RTP Apr 23.75 D /P
RTP0Apr100.0C/P RTP Apr 100 D /P RTP0Apr25.0CX/PX RTP Apr 25 D /P
RTP0Apr105.0C/P RTP Apr 105 D /P RTP0Apr26.3CX/PX RTP Apr 26.25 D /P
RTP0Apr110.0C/P RTP Apr 110 D /P RTP0Apr27.5CX/PX RTP Apr 27.5 D /P
RTP0Apr115.0C/P RTP Apr 115 D /P RTP0Apr28.8CX/PX RTP Apr 28.75 D /P
RTP0Apr120.0C/P RTP Apr 120 D /P RTP0Apr30.0CX/PX RTP Apr 30 D /P
RTP0Apr125.0C/P RTP Apr 125 D /P RTP0Apr31.3CX/PX RTP Apr 31.25 D /P
RTP0Apr130.0C/P RTP Apr 130 D /P RTP0Apr32.5CX/PX RTP Apr 32.5 D /P
RTP0Apr135.0C/P RTP Apr 135 D /P RTP0Apr33.8CX/PX RTP Apr 33.75 D /P
RTP0Apr140.0C/P RTP Apr 140 D /P RTP0Apr35.0CX/PX RTP Apr 35 D /P
RTP0Apr145.0C/P RTP Apr 145 D /P RTP0Apr36.3CX/PX RTP Apr 36.25 D /P
RTP0Apr150.0C/P RTP Apr 150 D /P RTP0Apr37.5CX/PX RTP Apr 37.5 D /P
RTP0Apr155.0C/P RTP Apr 155 D /P RTP0Apr38.8CX/PX RTP Apr 38.75 D /P
RTP0Apr160.0C/P RTP Apr 160 D /P RTP0Apr40.0CX/PX RTP Apr 40 D /P
RTP0Apr165.0C/P RTP Apr 165 D /P RTP0Apr41.3CX/PX RTP Apr 41.25 D /P
RTP0Apr170.0C/P RTP Apr 170 D /P RTP0Apr42.5CX/PX RTP Apr 42.5 D /P
RTP0Apr175.0C/P RTP Apr 175 D /P RTP0Apr43.8CX/PX RTP Apr 43.75 D /P
RTP0Apr180.0C/P RTP Apr 180 D /P RTP0Apr45.0CX/PX RTP Apr 45 D /P
RTP0Apr185.0C/P RTP Apr 185 D /P RTP0Apr46.3CX/PX RTP Apr 46.25 D /P
RTP0Apr190.0C/P RTP Apr 190 D /P RTP0Apr47.5CX/PX RTP Apr 47.5 D /P
RTP0Apr195.0C/P RTP Apr 195 D /P RTP0Apr48.8CX/PX RTP Apr 48.75 D /P
RIO TINTO PLC(RTP/RJT)
RIO TINTO PLC(RTP/RJT)
(Before 4/30/2010) (Beginning 4/30/2010)
100 Shares 100 Shares
ISE Series OPRA Month Strike Calls/Puts ISE Series OPRA Month Strike Calls/Puts
RTP0Apr200.0C/P RJT Apr 200 D /P RTP0Apr50.0CX/PX RJT Apr 50 D /P
RTP0Apr210.0C/P RJT Apr 210 D /P RTP0Apr52.5CX/PX RJT Apr 52.5 D /P
RTP0Apr220.0C/P RJT Apr 220 D /P RTP0Apr55.0CX/PX RJT Apr 55 D /P
RTP0Apr230.0C/P RJT Apr 230 D /P RTP0Apr57.5CX/PX RJT Apr 57.5 D /P
RTP0Apr240.0C/P RJT Apr 240 D /P RTP0Apr60.0CX/PX RJT Apr 60 D /P
RTP0Apr250.0C/P RJT Apr 250 D /P RTP0Apr62.5CX/PX RJT Apr 62.5 D /P
RTP0Apr260.0C/P RJT Apr 260 D /P RTP0Apr65.0CX/PX RJT Apr 65 D /P
RTP0Apr270.0C/P RJT Apr 270 D /P RTP0Apr67.5CX/PX RJT Apr 67.5 D /P
RTP0Apr280.0C/P RJT Apr 280 D /P RTP0Apr70.0CX/PX RJT Apr 70 D /P
RTP0Apr290.0C/P RJT Apr 290 D /P RTP0Apr72.5CX/PX RJT Apr 72.5 D /P
RTP0Apr300.0C/P RJT Apr 300 D /P RTP0Apr75.0CX/PX RJT Apr 75 D /P
RTP0Apr310.0C/P RJT Apr 310 D /P RTP0Apr77.5CX/PX RJT Apr 77.5 D /P
RTP0Apr320.0C/P RJT Apr 320 D /P RTP0Apr80.0CX/PX RJT Apr 80 D /P
RTP0Apr330.0C/P RJT Apr 330 D /P RTP0Apr82.5CX/PX RJT Apr 82.5 D /P
RTP0Apr340.0C/P RJT Apr 340 D /P RTP0Apr85.0CX/PX RJT Apr 85 D /P

RIO TINTO PLC(RTP)
RIO TINTO PLC(RTP)
(Before 4/30/2010) (Beginning 4/30/2010)
100 Shares 100 Shares
ISE Series OPRA Month Strike Calls/Puts ISE Series OPRA Month Strike Calls/Puts
RTP0May130.0C/P RTP May 130 E /Q RTP0May32.5CX/PX RTP May 32.5 E /Q
RTP0May135.0C/P RTP May 135 E /Q RTP0May33.8CX/PX RTP May 33.75 E /Q
RTP0May140.0C/P RTP May 140 E /Q RTP0May35.0CX/PX RTP May 35 E /Q
RTP0May145.0C/P RTP May 145 E /Q RTP0May36.3CX/PX RTP May 36.25 E /Q
RTP0May150.0C/P RTP May 150 E /Q RTP0May37.5CX/PX RTP May 37.5 E /Q
RTP0May155.0C/P RTP May 155 E /Q RTP0May38.8CX/PX RTP May 38.75 E /Q
RTP0May160.0C/P RTP May 160 E /Q RTP0May40.0CX/PX RTP May 40 E /Q
RTP0May165.0C/P RTP May 165 E /Q RTP0May41.3CX/PX RTP May 41.25 E /Q
RTP0May170.0C/P RTP May 170 E /Q RTP0May42.5CX/PX RTP May 42.5 E /Q
RTP0May175.0C/P RTP May 175 E /Q RTP0May43.8CX/PX RTP May 43.75 E /Q
RTP0May180.0C/P RTP May 180 E /Q RTP0May45.0CX/PX RTP May 45 E /Q
RTP0May185.0C/P RTP May 185 E /Q RTP0May46.3CX/PX RTP May 46.25 E /Q
RTP0May190.0C/P RTP May 190 E /Q RTP0May47.5CX/PX RTP May 47.5 E /Q
RTP0May195.0C/P RTP May 195 E /Q RTP0May48.8CX/PX RTP May 48.75 E /Q
RIO TINTO PLC(RTP/RJT)
RIO TINTO PLC(RTP/RJT)
(Before 4/30/2010) (Beginning 4/30/2010)
100 Shares 100 Shares
ISE Series OPRA Month Strike Calls/Puts ISE Series OPRA Month Strike Calls/Puts
RTP0May200.0C/P RJT May 200 E /Q RTP0May50.0CX/PX RJT May 50 E /Q
RTP0May210.0C/P RJT May 210 E /Q RTP0May52.5CX/PX RJT May 52.5 E /Q
RTP0May220.0C/P RJT May 220 E /Q RTP0May55.0CX/PX RJT May 55 E /Q
RTP0May230.0C/P 0C/P RJT May 230 E/Q RTP0May57.5CX/PX 5CX/PX RJT May 57.5 5 E/Q
RTP0May240.0C/P RJT May 240 E /Q RTP0May60.0CX/PX RJT May 60 E /Q
RTP0May250.0C/P RJT May 250 E /Q RTP0May62.5CX/PX RJT May 62.5 E /Q
RTP0May260.0C/P RJT May 260 E /Q RTP0May65.0CX/PX RJT May 65 E /Q
RTP0May270.0C/P RJT May 270 E /Q RTP0May67.5CX/PX RJT May 67.5 E /Q
RTP0May280.0C/P RJT May 280 E /Q RTP0May70.0CX/PX RJT May 70 E /Q
RTP0May290.0C/P RJT May 290 E /Q RTP0May72.5CX/PX RJT May 72.5 E /Q
RTP0May300.0C/P RJT May 300 E /Q RTP0May75.0CX/PX RJT May 75 E /Q

RIO TINTO PLC(RTP)
RIO TINTO PLC(RTP)
(Before 4/30/2010) (Beginning 4/30/2010)
100 Shares 100 Shares
ISE Series OPRA Month Strike Calls/Puts ISE Series OPRA Month Strike Calls/Puts
RTP0Jul100.0C/P RTP Jul 100 G /S RTP0Jul25.0CX/PX RTP Jul 25 G /S
RTP0Jul105.0C/P RTP Jul 105 G /S RTP0Jul26.3CX/PX RTP Jul 26.25 G /S
RTP0Jul110.0C/P RTP Jul 110 G /S RTP0Jul27.5CX/PX RTP Jul 27.5 G /S
RTP0Jul115.0C/P RTP Jul 115 G /S RTP0Jul28.8CX/PX RTP Jul 28.75 G /S
RTP0Jul120.0C/P RTP Jul 120 G /S RTP0Jul30.0CX/PX RTP Jul 30 G /S
RTP0Jul125.0C/P RTP Jul 125 G /S RTP0Jul31.3CX/PX RTP Jul 31.25 G /S
RTP0Jul130.0C/P RTP Jul 130 G /S RTP0Jul32.5CX/PX RTP Jul 32.5 G /S
RTP0Jul135.0C/P RTP Jul 135 G /S RTP0Jul33.8CX/PX RTP Jul 33.75 G /S
RTP0Jul140.0C/P RTP Jul 140 G /S RTP0Jul35.0CX/PX RTP Jul 35 G /S
RTP0Jul145.0C/P RTP Jul 145 G /S RTP0Jul36.3CX/PX RTP Jul 36.25 G /S
RTP0Jul150.0C/P RTP Jul 150 G /S RTP0Jul37.5CX/PX RTP Jul 37.5 G /S
RTP0Jul155.0C/P RTP Jul 155 G /S RTP0Jul38.8CX/PX RTP Jul 38.75 G /S
RTP0Jul160.0C/P RTP Jul 160 G /S RTP0Jul40.0CX/PX RTP Jul 40 G /S
RTP0Jul165.0C/P RTP Jul 165 G /S RTP0Jul41.3CX/PX RTP Jul 41.25 G /S
RTP0Jul170.0C/P RTP Jul 170 G /S RTP0Jul42.5CX/PX RTP Jul 42.5 G /S
RTP0Jul175.0C/P RTP Jul 175 G /S RTP0Jul43.8CX/PX RTP Jul 43.75 G /S
RTP0Jul180.0C/P RTP Jul 180 G /S RTP0Jul45.0CX/PX RTP Jul 45 G /S
RTP0Jul185.0C/P RTP Jul 185 G /S RTP0Jul46.3CX/PX RTP Jul 46.25 G /S
RTP0Jul190.0C/P RTP Jul 190 G /S RTP0Jul47.5CX/PX RTP Jul 47.5 G /S
RTP0Jul195.0C/P RTP Jul 195 G /S RTP0Jul48.8CX/PX RTP Jul 48.75 G /S
RIO TINTO PLC(RTP/RJT)
RIO TINTO PLC(RTP/RJT)
(Before 4/30/2010) (Beginning 4/30/2010)
100 Shares 100 Shares
ISE Series OPRA Month Strike Calls/Puts ISE Series OPRA Month Strike Calls/Puts
RTP0Jul200.0C/P RJT Jul 200 G /S RTP0Jul50.0CX/PX RJT Jul 50 G /S
RTP0Jul210.0C/P RJT Jul 210 G /S RTP0Jul52.5CX/PX RJT Jul 52.5 G /S
RTP0Jul220.0C/P RJT Jul 220 G /S RTP0Jul55.0CX/PX RJT Jul 55 G /S
RTP0Jul230.0C/P RJT Jul 230 G /S RTP0Jul57.5CX/PX RJT Jul 57.5 G /S
RTP0Jul240.0C/P RJT Jul 240 G /S RTP0Jul60.0CX/PX RJT Jul 60 G /S
RTP0Jul250.0C/P RJT Jul 250 G /S RTP0Jul62.5CX/PX RJT Jul 62.5 G /S
RTP0Jul260.0C/P RJT Jul 260 G /S RTP0Jul65.0CX/PX RJT Jul 65 G /S
RTP0Jul270.0C/P RJT Jul 270 G /S RTP0Jul67.5CX/PX RJT Jul 67.5 G /S
RTP0Jul280.0C/P RJT Jul 280 G /S RTP0Jul70.0CX/PX RJT Jul 70 G /S
RTP0Jul290.0C/P RJT Jul 290 G /S RTP0Jul72.5CX/PX RJT Jul 72.5 G /S
RTP0Jul300.0C/P RJT Jul 300 G /S RTP0Jul75.0CX/PX RJT Jul 75 G /S
RTP0Jul310.0C/P RJT Jul 310 G /S RTP0Jul77.5CX/PX RJT Jul 77.5 G /S
RTP0Jul320.0C/P RJT Jul 320 G /S RTP0Jul80.0CX/PX RJT Jul 80 G /S
RTP0Jul330.0C/P RJT Jul 330 G /S RTP0Jul82.5CX/PX RJT Jul 82.5 G /S
RTP0Jul340.0C/P RJT Jul 340 G /S RTP0Jul85.0CX/PX RJT Jul 85 G /S
RTP0Jul350.0C/P RJT Jul 350 G /S RTP0Jul87.5CX/PX RJT Jul 87.5 G /S
RTP0Jul360.0C/P RJT Jul 360 G /S RTP0Jul90.0CX/PX RJT Jul 90 G /S

RIO TINTO PLC(RTP)
RIO TINTO PLC(RTP)
(Before 4/30/2010) (Beginning 4/30/2010)
100 Shares 100 Shares
ISE Series OPRA Month Strike Calls/Puts ISE Series OPRA Month Strike Calls/Puts
RTP0Oct105.0C/P RTP Oct 105 J /V RTP0Oct26.3CX/PX RTP Oct 26.25 J /V
RTP0Oct110.0C/P RTP Oct 110 J /V RTP0Oct27.5CX/PX RTP Oct 27.5 J /V
RTP0Oct115.0C/P RTP Oct 115 J /V RTP0Oct28.8CX/PX RTP Oct 28.75 J /V
RTP0Oct120.0C/P RTP Oct 120 J /V RTP0Oct30.0CX/PX RTP Oct 30 J /V
RTP0Oct125.0C/P RTP Oct 125 J /V RTP0Oct31.3CX/PX RTP Oct 31.25 J /V
RTP0Oct130.0C/P RTP Oct 130 J /V RTP0Oct32.5CX/PX RTP Oct 32.5 J /V
RTP0Oct135.0C/P RTP Oct 135 J /V RTP0Oct33.8CX/PX RTP Oct 33.75 J /V
RTP0Oct140.0C/P RTP Oct 140 J /V RTP0Oct35.0CX/PX RTP Oct 35 J /V
RTP0Oct145.0C/P RTP Oct 145 J /V RTP0Oct36.3CX/PX RTP Oct 36.25 J /V
RTP0Oct150.0C/P RTP Oct 150 J /V RTP0Oct37.5CX/PX RTP Oct 37.5 J /V
RTP0Oct155.0C/P RTP Oct 155 J /V RTP0Oct38.8CX/PX RTP Oct 38.75 J /V
RTP0Oct160.0C/P RTP Oct 160 J /V RTP0Oct40.0CX/PX RTP Oct 40 J /V
RTP0Oct165.0C/P RTP Oct 165 J /V RTP0Oct41.3CX/PX RTP Oct 41.25 J /V
RTP0Oct170.0C/P RTP Oct 170 J /V RTP0Oct42.5CX/PX RTP Oct 42.5 J /V
RTP0Oct175.0C/P RTP Oct 175 J /V RTP0Oct43.8CX/PX RTP Oct 43.75 J /V
RTP0Oct180.0C/P RTP Oct 180 J /V RTP0Oct45.0CX/PX RTP Oct 45 J /V
RTP0Oct185.0C/P RTP Oct 185 J /V RTP0Oct46.3CX/PX RTP Oct 46.25 J /V
RTP0Oct190.0C/P RTP Oct 190 J /V RTP0Oct47.5CX/PX RTP Oct 47.5 J /V
RTP0Oct195.0C/P RTP Oct 195 J /V RTP0Oct48.8CX/PX RTP Oct 48.75 J /V
RIO TINTO PLC(RTP/RJT)
RIO TINTO PLC(RTP/RJT)
(Before 4/30/2010) (Beginning 4/30/2010)
100 Shares 100 Shares
ISE Series OPRA Month Strike Calls/Puts ISE Series OPRA Month Strike Calls/Puts
RTP0Oct200.0C/P RJT Oct 200 J /V RTP0Oct50.0CX/PX RJT Oct 50 J /V
RTP0Oct210.0C/P RJT Oct 210 J /V RTP0Oct52.5CX/PX RJT Oct 52.5 J /V
RTP0Oct220.0C/P RJT Oct 220 J /V RTP0Oct55.0CX/PX RJT Oct 55 J /V
RTP0Oct230.0C/P RJT Oct 230 J /V RTP0Oct57.5CX/PX RJT Oct 57.5 J /V
RTP0Oct240.0C/P RJT Oct 240 J /V RTP0Oct60.0CX/PX RJT Oct 60 J /V
RTP0Oct250.0C/P RJT Oct 250 J /V RTP0Oct62.5CX/PX RJT Oct 62.5 J /V
RTP0Oct260.0C/P RJT Oct 260 J /V RTP0Oct65.0CX/PX RJT Oct 65 J /V
RTP0Oct270.0C/P RJT Oct 270 J /V RTP0Oct67.5CX/PX RJT Oct 67.5 J /V
RTP0Oct280.0C/P RJT Oct 280 J /V RTP0Oct70.0CX/PX RJT Oct 70 J /V
RTP0Oct290.0C/P RJT Oct 290 J /V RTP0Oct72.5CX/PX RJT Oct 72.5 J /V
RTP0Oct300.0C/P RJT Oct 300 J /V RTP0Oct75.0CX/PX RJT Oct 75 J /V
RTP0Oct310.0C/P RJT Oct 310 J /V RTP0Oct77.5CX/PX RJT Oct 77.5 J /V
RTP0Oct320.0C/P RJT Oct 320 J /V RTP0Oct80.0CX/PX RJT Oct 80 J /V
RTP0Oct330.0C/P RJT Oct 330 J /V RTP0Oct82.5CX/PX RJT Oct 82.5 J /V
RTP0Oct340.0C/P RJT Oct 340 J /V RTP0Oct85.0CX/PX RJT Oct 85 J /V
RTP0Oct350.0C/P RJT Oct 350 J /V RTP0Oct87.5CX/PX RJT Oct 87.5 J /V
RTP0Oct360.0C/P RJT Oct 360 J /V RTP0Oct90.0CX/PX RJT Oct 90 J /V

RIO TINTO PLC - 2011 LEAP(RTP/ZLR)
RIO TINTO PLC - 2011 LEAP(RTP/ZLR)
(Before 4/30/2010) (Beginning 4/30/2010)
100 Shares 100 Shares
ISE Series OPRA Month Strike Calls/Puts ISE Series OPRA Month Strike Calls/Puts
RTP1Jan105.0C/P ZLR Jan 105 A /M RTP1Jan26.3CX/PX ZLR Jan 26.25 A /M
RTP1Jan110.0C/P ZLR Jan 110 A /M RTP1Jan27.5CX/PX ZLR Jan 27.5 A /M
RTP1Jan115.0C/P ZLR Jan 115 A /M RTP1Jan28.8CX/PX ZLR Jan 28.75 A /M
RTP1Jan120.0C/P ZLR Jan 120 A /M RTP1Jan30.0CX/PX ZLR Jan 30 A /M
RTP1Jan125.0C/P ZLR Jan 125 A /M RTP1Jan31.3CX/PX ZLR Jan 31.25 A /M
RTP1Jan130.0C/P ZLR Jan 130 A /M RTP1Jan32.5CX/PX ZLR Jan 32.5 A /M
RTP1Jan135.0C/P ZLR Jan 135 A /M RTP1Jan33.8CX/PX ZLR Jan 33.75 A /M
RTP1Jan140.0C/P ZLR Jan 140 A /M RTP1Jan35.0CX/PX ZLR Jan 35 A /M
RTP1Jan145.0C/P ZLR Jan 145 A /M RTP1Jan36.3CX/PX ZLR Jan 36.25 A /M
RTP1Jan150.0C/P ZLR Jan 150 A /M RTP1Jan37.5CX/PX ZLR Jan 37.5 A /M
RTP1Jan155.0C/P ZLR Jan 155 A /M RTP1Jan38.8CX/PX ZLR Jan 38.75 A /M
RTP1Jan160.0C/P ZLR Jan 160 A /M RTP1Jan40.0CX/PX ZLR Jan 40 A /M
RTP1Jan165.0C/P ZLR Jan 165 A /M RTP1Jan41.3CX/PX ZLR Jan 41.25 A /M
RTP1Jan170.0C/P ZLR Jan 170 A /M RTP1Jan42.5CX/PX ZLR Jan 42.5 A /M
RTP1Jan175.0C/P ZLR Jan 175 A /M RTP1Jan43.8CX/PX ZLR Jan 43.75 A /M
RTP1Jan180.0C/P ZLR Jan 180 A /M RTP1Jan45.0CX/PX ZLR Jan 45 A /M
RTP1Jan185.0C/P ZLR Jan 185 A /M RTP1Jan46.3CX/PX ZLR Jan 46.25 A /M
RTP1Jan190.0C/P ZLR Jan 190 A /M RTP1Jan47.5CX/PX ZLR Jan 47.5 A /M
RTP1Jan195.0C/P ZLR Jan 195 A /M RTP1Jan48.8CX/PX ZLR Jan 48.75 A /M
RTP1Jan200.0C/P ZLR Jan 200 A /M RTP1Jan50.0CX/PX ZLR Jan 50 A /M
RTP1Jan210.0C/P ZLR Jan 210 A /M RTP1Jan52.5CX/PX ZLR Jan 52.5 A /M
RTP1Jan220.0C/P ZLR Jan 220 A /M RTP1Jan55.0CX/PX ZLR Jan 55 A /M
RTP1Jan230.0C/P ZLR Jan 230 A /M RTP1Jan57.5CX/PX ZLR Jan 57.5 A /M
RTP1Jan240.0C/P ZLR Jan 240 A /M RTP1Jan60.0CX/PX ZLR Jan 60 A /M
RTP1Jan250.0C/P 0C/P ZLR Jan 250 A/M RTP1Jan62.5CX/PX ZLR Jan 62.5 A/M
RTP1Jan260.0C/P ZLR Jan 260 A /M RTP1Jan65.0CX/PX ZLR Jan 65 A /M
RIO TINTO PLC - 2011 LEAP(RTP/ZCF)
RIO TINTO PLC - 2011 LEAP(RTP/ZCF)
(Before 4/30/2010) (Beginning 4/30/2010)
100 Shares 100 Shares
ISE Series OPRA Month Strike Calls/Puts ISE Series OPRA Month Strike Calls/Puts
RTP1Jan270.0C/P ZCF Jan 270 A /M RTP1Jan67.5CX/PX ZCF Jan 67.5 A /M
RTP1Jan280.0C/P ZCF Jan 280 A /M RTP1Jan70.0CX/PX ZCF Jan 70 A /M
RTP1Jan290.0C/P ZCF Jan 290 A /M RTP1Jan72.5CX/PX ZCF Jan 72.5 A /M
RTP1Jan300.0C/P ZCF Jan 300 A /M RTP1Jan75.0CX/PX ZCF Jan 75 A /M
RTP1Jan310.0C/P ZCF Jan 310 A /M RTP1Jan77.5CX/PX ZCF Jan 77.5 A /M
RTP1Jan320.0C/P ZCF Jan 320 A /M RTP1Jan80.0CX/PX ZCF Jan 80 A /M
RTP1Jan330.0C/P ZCF Jan 330 A /M RTP1Jan82.5CX/PX ZCF Jan 82.5 A /M
RTP1Jan340.0C/P ZCF Jan 340 A /M RTP1Jan85.0CX/PX ZCF Jan 85 A /M
RTP1Jan350.0C/P ZCF Jan 350 A /M RTP1Jan87.5CX/PX ZCF Jan 87.5 A /M
RTP1Jan360.0C/P ZCF Jan 360 A /M RTP1Jan90.0CX/PX ZCF Jan 90 A /M

RIO TINTO PLC - 2012 LEAP(RTP/LRZ)
RIO TINTO PLC - 2012 LEAP(RTP/LRZ)
(Before 4/30/2010) (Beginning 4/30/2010)
100 Shares 100 Shares
ISE Series OPRA Month Strike Calls/Puts ISE Series OPRA Month Strike Calls/Puts
RTP2Jan150.0C/P LRZ Jan 150 A /M RTP2Jan37.5CX/PX LRZ Jan 37.5 A /M
RTP2Jan155.0C/P LRZ Jan 155 A /M RTP2Jan38.8CX/PX LRZ Jan 38.75 A /M
RTP2Jan160.0C/P LRZ Jan 160 A /M RTP2Jan40.0CX/PX LRZ Jan 40 A /M
RTP2Jan165.0C/P LRZ Jan 165 A /M RTP2Jan41.3CX/PX LRZ Jan 41.25 A /M
RTP2Jan170.0C/P LRZ Jan 170 A /M RTP2Jan42.5CX/PX LRZ Jan 42.5 A /M
RTP2Jan175.0C/P LRZ Jan 175 A /M RTP2Jan43.8CX/PX LRZ Jan 43.75 A /M
RTP2Jan180.0C/P LRZ Jan 180 A /M RTP2Jan45.0CX/PX LRZ Jan 45 A /M
RTP2Jan185.0C/P LRZ Jan 185 A /M RTP2Jan46.3CX/PX LRZ Jan 46.25 A /M
RTP2Jan190.0C/P LRZ Jan 190 A /M RTP2Jan47.5CX/PX LRZ Jan 47.5 A /M
RTP2Jan195.0C/P LRZ Jan 195 A /M RTP2Jan48.8CX/PX LRZ Jan 48.75 A /M
RTP2Jan200.0C/P LRZ Jan 200 A /M RTP2Jan50.0CX/PX LRZ Jan 50 A /M
RTP2Jan210.0C/P LRZ Jan 210 A /M RTP2Jan52.5CX/PX LRZ Jan 52.5 A /M
RTP2Jan220.0C/P LRZ Jan 220 A /M RTP2Jan55.0CX/PX LRZ Jan 55 A /M
RTP2Jan230.0C/P LRZ Jan 230 A /M RTP2Jan57.5CX/PX LRZ Jan 57.5 A /M
RTP2Jan240.0C/P LRZ Jan 240 A /M RTP2Jan60.0CX/PX LRZ Jan 60 A /M
RTP2Jan250.0C/P LRZ Jan 250 A /M RTP2Jan62.5CX/PX LRZ Jan 62.5 A /M
RTP2Jan260.0C/P LRZ Jan 260 A /M RTP2Jan65.0CX/PX LRZ Jan 65 A /M
RTP2Jan270.0C/P LRZ Jan 270 A /M RTP2Jan67.5CX/PX LRZ Jan 67.5 A /M
RTP2Jan280.0C/P LRZ Jan 280 A /M RTP2Jan70.0CX/PX LRZ Jan 70 A /M
RTP2Jan290.0C/P LRZ Jan 290 A /M RTP2Jan72.5CX/PX LRZ Jan 72.5 A /M
RTP2Jan300.0C/P LRZ Jan 300 A /M RTP2Jan75.0CX/PX LRZ Jan 75 A /M
RTP2Jan310.0C/P LRZ Jan 310 A /M RTP2Jan77.5CX/PX LRZ Jan 77.5 A /M
RTP2Jan320.0C/P LRZ Jan 320 A /M RTP2Jan80.0CX/PX LRZ Jan 80 A /M
RTP2Jan330.0C/P LRZ Jan 330 A /M RTP2Jan82.5CX/PX LRZ Jan 82.5 A /M
RTP2Jan340.0C/P 0C/P LRZ Jan 340 A/M RTP2Jan85.0CX/PX LRZ Jan 85 A/M
RTP2Jan350.0C/P LRZ Jan 350 A /M RTP2Jan87.5CX/PX LRZ Jan 87.5 A /M
RIO TINTO PLC - 2012 LEAP(RTP/LVV)
RIO TINTO PLC - 2012 LEAP(RTP/LVV)
(Before 4/30/2010) (Beginning 4/30/2010)
100 Shares 100 Shares
ISE Series OPRA Month Strike Calls/Puts ISE Series OPRA Month Strike Calls/Puts
RTP2Jan360.0C/P LVV Jan 360 A /M RTP2Jan90.0CX/PX LVV Jan 90 A /M
RTP2Jan370.0C/P LVV Jan 370 A /M RTP2Jan92.5CX/PX LVV Jan 92.5 A /M
Questions regarding this release may be directed to Iris Rodriguez at (212)897-0264