Group 1: Report Overview - Report Name: Yongan Synthetic Rubber Morning Report [2] - Research Team: Research Center Energy and Chemicals Team [3] - Report Date: August 13, 2025 [3] Group 2: BR (Butadiene Rubber) Data 1. Futures Contract Data - Main contract closing price on August 12 was 11,825, with a daily change of 40 and a weekly change of 310 [4] - Main contract open interest on August 12 was 26,687, with a daily change of -1,401 and a weekly change of -3,745 [4] - Main contract trading volume on August 12 was 60,045, with a daily change of -78,270 and a weekly change of 6,100 [4] 2. Warehouse Receipt and Ratio Data - Warehouse receipt quantity on August 12 was 0, with a daily change of -10,470 and a weekly change of -10,540 [4] - The virtual - real ratio on August 12 had a DIV/0! error [4] 3. Basis and Spread Data - Butadiene basis on August 12 was -75, with a daily change of 10 and a weekly change of -160 [4] - Butadiene basis (Two - oil) on August 12 was -125, with a daily change of -40 and a weekly change of -110 [4] - Styrene - butadiene basis on August 12 was 425, with a daily change of 60 and a weekly change of -60 [4] - 8 - 9 month spread on August 12 was -5, with a daily change of -15 and a weekly change of -5 [4] - 9 - 10 month spread on August 12 was 5, with a daily change of 5 and a weekly change of 10 [4] 4. Price and Profit Data - Shandong market price on August 12 was 11,750, with a daily change of 50 and a weekly change of 150 [4] - Chuanhua market price on August 12 was 11,700, with a daily change of 0 and a weekly change of 200 [4] - Qilu ex - factory price on August 12 was 11,700, with a daily change of 0 and a weekly change of 200 [4] - CFR Northeast Asia on August 12 was 1,450, with a daily change of 0 and a weekly change of 0 [4] - CFR Southeast Asia on August 12 was 1,735, with a daily change of -15 and a weekly change of -15 [4] - Spot processing profit on August 12 was -79, with a daily change of 111 and a weekly change of -18 [4] - Futures processing profit on August 12 was -4, with a daily change of 101 and a weekly change of 142 [4] - Import profit on August 12 was -83,803, with a daily change of 45 and a weekly change of -1,536 [4] - Export profit on August 12 was -452, with a daily change of -43 and a weekly change of -124 [4] Group 3: BD (Butadiene) Data 1. Price Data - Shandong market price on August 12 was 9,440, with a daily change of -60 and a weekly change of 140 [4] - Jiangsu market price on August 12 was 9,350, with a daily change of -50 and a weekly change of 100 [4] - Yangzi ex - factory price on August 12 was 9,400, with a daily change of 0 and a weekly change of 200 [4] - CFR China on August 12 was 1,070, with a daily change of 0 and a weekly change of -10 [4] 2. Profit Data - Carbon four extraction profit data for August 12 was N/A [4] - Butene oxidative dehydrogenation profit on August 12 was 256, with a daily change of -50 and a weekly change of 30 [4] - Import profit on August 12 was 508, with a daily change of -20 and a weekly change of 175 [4] - Export profit on August 12 was -1,096, with a daily change of 44 and a weekly change of 61 [4] 3. Downstream Profit Data - Butadiene rubber production profit on August 12 was -4, with a daily change of 101 and a weekly change of 142 [4] - Styrene - butadiene rubber production profit on August 12 was 750, with a daily change of 0 and a weekly change of 25 [4] - ABS production profit data for August 12 was N/A [4] - SBS (791 - H) production profit on August 12 was 1,160, with a daily change of 200 and a weekly change of 30 [4] Group 4: Spread Data 1. Inter - variety Spread - The difference between Thai mixed rubber and butadiene rubber on August 12 was 2,870, with a daily change of -10 and a weekly change of 150 [4] - The difference between 3L rubber and styrene - butadiene rubber on August 12 was 2,600, with a daily change of -100 and a weekly change of -50 [4] - The difference between RU and BR on August 12 was -10,827, with a daily change of 1,200 and a weekly change of 5,060 [4] - The difference between NR and BR on August 12 was -14,022, with a daily change of 1,446 and a weekly change of 4,110 [4] 2. Intra - variety Spread - The difference between standard and non - standard butadiene rubber on August 12 was 200, with a daily change of 50 and a weekly change of -50 [4] - The difference between styrene - butadiene 1502 and 1712 on August 12 was 1,000, with a daily change of 50 and a weekly change of -150 [4]

Group 1: Report Information - Report Name: Yongan Synthetic Rubber Morning Report [2] - Release Date: August 4, 2025 [3] - Research Team: Research Center's Energy and Chemicals Team [3] Group 2: BR Main Contract Overview - Closing Price of Main Contract: On August 1st, it was 11,455, a daily decrease of 40 and a monthly decrease of 960 compared to July 2nd [3] - Open Interest of Main Contract: On August 1st, it was 33,939, a daily decrease of 881 and a monthly decrease of 15,372 compared to July 2nd [3] - Trading Volume of Main Contract: On August 1st, it was 73,266, a daily decrease of 19,757 and a monthly decrease of 87,525 compared to July 2nd [3] - Warehouse Receipt Quantity: On August 1st, it was 10,340, with no daily change and an increase of 500 compared to July 2nd [3] - Virtual-to-Physical Ratio: On August 1st, it was 16.41, with no daily change and a decrease of 9 compared to July 2nd [3] Group 3: Basis and Spread - Butadiene Rubber Basis: On August 1st, the butadiene rubber basis was 145, a daily decrease of 60 and an increase of 360 compared to July 2nd [3] - Butadiene Rubber Basis (Two Oil Companies): On August 1st, it was 345, a daily increase of 40 and an increase of 360 compared to July 2nd [3] - Styrene-Butadiene Rubber Basis: On August 1st, it was 495, a daily decrease of 60 and an increase of 460 compared to July 2nd [3] - August - September Spread: On August 1st, it was -100, a daily decrease of 100 and an increase of 82 compared to July 2nd [3] - September - October Spread: On August 1st, it was 10, a daily decrease of 5 and a decrease of 5 compared to July 2nd [3] Group 4: Spot Price - Shandong Market Price: On August 1st, it was 11,600, a daily decrease of 100 and a decrease of 600 compared to July 2nd [3] - Chuanhua Market Price: On August 1st, it was 11,450, with no daily change and a decrease of 650 compared to July 2nd [3] - Qilu Factory Price: On August 1st, it was 11,800, with no daily change and a decrease of 600 compared to July 2nd [3] Group 5: Processing and Import/Export Profits - Spot Processing Profit: On August 1st, it was 16, a daily decrease of 151 and a decrease of 232 compared to July 2nd [3] - Futures Processing Profit: On August 1st, it was -129, a daily decrease of 91 and a decrease of 425 compared to July 2nd [3] - Import Profit: On August 1st, it was -84,921, a daily decrease of 96 and an increase of 3,829 compared to July 2nd [3] - Export Profit: On August 1st, it was -125, a daily increase of 87 and an increase of 746 compared to July 2nd [3] Group 6: Butadiene (BD) Information - Market Prices: Shandong market price on August 1st was 9,200, a daily increase of 50 and a decrease of 525 compared to July 2nd; Jiangsu market price was 9,200, with no daily change and a decrease of 550 compared to July 2nd; Yangzi factory price was 9,200, a daily decrease of 200 and a decrease of 500 compared to July 2nd [3] - CFR China: On August 1st, it was 1,080, a daily decrease of 10 and a decrease of 20 compared to July 2nd [3] - Processing Profits: Carbon tetrachloride extraction profit was not available on August 1st; butene oxidative dehydrogenation profit was 176, with no daily change and a decrease of 690 compared to July 2nd [3] - Import and Export Profits: Import profit on August 1st was 263, a daily increase of 82 and a decrease of 427 compared to July 2nd; export profit was -954, with no daily change and an increase of 582 compared to July 2nd [3] Group 7: Downstream Profits - Butadiene Rubber Production Profit: On August 1st, it was -129, a daily decrease of 91 and a decrease of 425 compared to July 2nd [3] - Styrene-Butadiene Rubber Production Profit: On August 1st, it was 900, a daily increase of 150 and no change compared to July 2nd [3] - ABS Production Profit: Data was not available on August 1st [3] - SBS Production Profit (791 - H): On August 1st, it was 1,100, a daily increase of 170 and an increase of 380 compared to July 2nd [3] Group 8: Inter - and Intra - Variety Spreads - RU - BR Spread: On August 1st, it was -19,629, a daily increase of 631 and an increase of 14,097 compared to July 2nd [3] - NR - BR Spread: On August 1st, it was -21,764, a daily increase of 781 and an increase of 14,227 compared to July 2nd [3] - Thai Mixed - Butadiene Rubber Spread: On August 1st, it was 2,450, a daily decrease of 100 and a decrease of 450 compared to July 2nd [3] - 3L - Styrene - Butadiene Rubber Spread: On August 1st, it was 2,500, a daily decrease of 100 and a decrease of 250 compared to July 2nd [3] - Butadiene Rubber Standard - Non - Standard Spread: On August 1st, it was 250, a daily decrease of 50 and no change compared to July 2nd [3] - Styrene - Butadiene Rubber 1502 - 1712 Spread: On August 1st, it was 1,150, with no daily change and no change compared to July 2nd [3]

1. Report's Industry Investment Rating - No relevant content provided 2. Core View of the Report - No explicit core view is presented in the given content. The report mainly provides data on the synthetic rubber market, including prices, trading volumes, inventories, and profit margins. 3. Summary by Related Catalogs 3.1 BR (High - Cis Polybutadiene Rubber) - **Trading Data**: On July 31, the closing price of the main contract was 11,495, down 280 from the previous day and 790 from the beginning of the week; the position volume was 34,820, a decrease of 4,870 from the previous day and 14,008 from the beginning of the week; the trading volume was 93,023, down 7,369 from the previous day and 55,619 from the beginning of the week [3]. - **Warehouse Receipts and Virtual - to - Real Ratio**: The number of warehouse receipts was 10,340, an increase of 150 from the previous day and 500 from the beginning of the week; the virtual - to - real ratio was 16.84, down 3 from the previous day and 8 from the beginning of the week [3]. - **Basis and Spread**: The high - cis basis was 205, up 180 from the previous day and 390 from the beginning of the week; the high - cis basis (two major oil companies) was 305, down 20 from the previous day but up 390 from the beginning of the week; the styrene - butadiene basis was 425, up 130 from the previous day and 640 from the beginning of the week; the 8 - 9 spread was - 50, up 205 from the previous day and 180 from the beginning of the week; the 9 - 10 spread was 15, down 10 from the previous day and 25 from the beginning of the week [3]. - **Spot Prices**: The Shandong market price was 11,700, down 100 from the previous day and 400 from the beginning of the week; the Transfar market price was 11,450, down 350 from the previous day and 450 from the beginning of the week; the Qilu Petrochemical ex - factory price was 11,800, down 300 from the previous day and 400 from the beginning of the week [3]. - **Processing and Import - Export Profits**: The spot processing profit was 167, up 2 from the previous day and 110 from the beginning of the week; the futures processing profit was - 38, down 178 from the previous day and 280 from the beginning of the week; the import profit was - 84,506, up 2,570 from the previous day and 2,534 from the beginning of the week; the export profit was - 245, up 63 from the previous day [3]. 3.2 BD (Butadiene) - **Spot Prices**: The Shandong market price was 9,150, down 100 from the previous day and 500 from the beginning of the week; the Jiangsu market price was 9,200, down 100 from the previous day and 450 from the beginning of the week; the Yangzi Petrochemical ex - factory price was 9,400, unchanged from the previous day and down 300 from the beginning of the week; the CFR China price was 1,090, unchanged from the previous day and down 10 from the beginning of the week [3]. - **Processing and Import - Export Profits**: The carbon - four extraction profit data was unavailable; the butene oxidative dehydrogenation profit was 176, down 100 from the previous day and 590 from the beginning of the week; the import profit was 210, down 79 from the previous day and 397 from the beginning of the week; the export profit was - 977, up 70 from the previous day and 485 from the beginning of the week [3]. 3.3 Downstream Profits - The high - cis production profit was - 38, down 178 from the previous day and 280 from the beginning of the week; the styrene - butadiene production profit was 725, down 200 from the previous day; the ABS production profit was 261, up 29 from the previous day and down 57 from the beginning of the week; the SBS (791 - H) production profit was 930, unchanged from the previous day and up 410 from the beginning of the week [3]. 3.4 Variety - to - Variety Spreads - RU - BR was - 20,260, up 4,485 from the previous day and 13,323 from the beginning of the week; NR - BR was - 22,545, up 4,570 from the previous day and 13,163 from the beginning of the week; the Thai mixed - high - cis spread was 2,550, down 200 from the previous day and 250 from the beginning of the week; the 3L - styrene - butadiene spread was 2,600, down 100 from the previous day and 250 from the beginning of the week [3]. 3.5 Intra - Variety Spreads - The high - cis standard - non - standard spread was 300, up 50 from the previous day and down 100 from the beginning of the week; the styrene - butadiene 1502 - 1712 spread was 1,150, up 50 from the previous day and 50 from the beginning of the week [3].

Report Information - Report Title: Yong'an Synthetic Rubber Morning Report [2] - Research Team: Research Center's Energy and Chemicals Team [3] - Report Date: July 22, 2025 [3] Core Data Summary BR (Butadiene Rubber) - **Price and Volume**: The closing price of the main contract was 11,995, up 275 from the previous day and 370 from the previous week; the trading volume was 87,016, down 3,349 from the previous day but up 12,030 from the previous week; the open interest was 14,993, down 2,221 from the previous day and 9,436 from the previous week; the warehouse receipt quantity was 9,700, unchanged from the previous day and up 500 from the previous week [4]. - **Basis and Spread**: The butadiene rubber basis (Shun - Ding) was -145, down 125 from the previous day and 170 from the previous week; the 8 - 9 spread was 25, unchanged from the previous day and up 5 from the previous week; the 9 - 10 spread was 25, down 5 from the previous day and unchanged from the previous week [4]. - **Market Price**: The Shandong market price was 11,850, up 150 from the previous day and 200 from the previous week; the Chuanhua market price was 11,800, up 200 from the previous day and 250 from the previous week; the Qilu ex - factory price was 12,000, up 300 from the previous day and 300 from the previous week [4]. - **Profit**: The spot processing profit was -372, down 233 from the previous day and 269 from the previous week; the futures processing profit was -227, down 108 from the previous day and 99 from the previous week; the import profit was -85,993, down 2,208 from the previous day and 2,358 from the previous week; the export profit was -733, down 138 from the previous day and 161 from the previous week [4]. BD (Butadiene) - **Market Price**: The Shandong market price was 9,825, up 375 from the previous day and 460 from the previous week; the Jiangsu market price was 9,600, up 150 from the previous day and 300 from the previous week; the Yangzi ex - factory price was 9,600, up 200 from the previous day and 300 from the previous week; the CFR China price was 1,050, unchanged from the previous day and down 20 from the previous week [4]. - **Profit**: The carbon four extraction profit was not available; the butene oxidative dehydrogenation profit was 646, up 150 from the previous day and 510 from the previous week; the import profit was 933, up 157 from the previous day and 451 from the previous week; the export profit was -1,468, down 136 from the previous day and 395 from the previous week [4]. Downstream Products - **Profit**: The butadiene rubber production profit was -227, down 108 from the previous day and 99 from the previous week; the styrene - butadiene rubber production profit was 525, down 50 from the previous day and 100 from the previous week; the ABS production profit was not available; the SBS production profit (791 - H) was 530, down 140 from the previous day and 180 from the previous week [4]. Variety Spreads - **Inter - Variety Spreads**: The RU - BR spread was -98, up 2,306 from the previous day and 9,971 from the previous week; the NR - BR spread was -2,243, up 2,296 from the previous day and 9,861 from the previous week; the Thai mixed - butadiene rubber spread was 2,720, down 80 from the previous day and up 220 from the previous week; the 3L - styrene - butadiene rubber spread was 2,500, down 150 from the previous day and unchanged from the previous week; the butadiene rubber standard - non - standard spread was 100, down 100 from the previous day and 100 from the previous week [4]. - **Intra - Variety Spreads**: The styrene - butadiene 1502 - 1712 spread was 1,100, down 100 from the previous day and 50 from the previous week [4].