Century Synthetic Fiber Corp.HOSE: STK

Q3.2025 Separate financial statements

· Issued by Century Synthetic Fiber Corp.

CÔNG TY CӘ PH⑬N SӦI THӂ KӸ

CONG TY CO PHAN STJI THE KY

'.FNTLIRY SYNTHF.TH'. FMF.R C't2RPOILITION

Digitally signed by CÔNG TY CӘ PH⑬N SӦI THӂ KӸ

DN: cn=CÔNG TY CӘ PH⑬N SӦI THӂ KӸ c=VN o=CÔNG TY CӘ PH⑬N SӦI THӂ KӸ

Reason: I am the author of this document Location:

Date: 2025-10-24 13:10+07:00

CONG HOA HOI CHU NGHfA VIET NAM

Doc leap - Tir do - Hanh phuc

THF. !SGCIAI. hST RF.PHPI.I '.I' F VIF.TWAM

IiiJepciiJeiire - ErerJoni Huppiiic•ss

So/to: -25/CV-CTTK

TP.HCWHochiminh city, ngay/date Y$ thânQmonth 10 n6Myear 2025

CONG BO THONG TIN I YFORMATION DISCLOSURE

TIN CONG THONG TIN DIEN TC* CUA UY BAN ON THE STATE SECURITIES

CHUG KHOAN NHA NTCfC VA SCf GIAO D}CH COMMISSION AND HOCHIMINH STOCK

CHUG KHOAN TP.HCM EXCHANGE'S PORTAL

Klnh gmt/to: - Uy ban Chirng khoan Nha nine

The State Securities Commision

- SP Giao dich ehirng khoan TP.HCM

Hochiminh Stock Exchange

  • Ten to chirc: Cfing ty co phan Sgt The Ky

    Nrg‹sniz‹r,ti,nn n,riine..- C,e,n,t,i ry ?yn,t,he.ti,r. Fi,he.r C.orporati,nn

  • Ma chu'ng khoan/Z'fcker: STK

    Dia chi tru st chinh: Lo B1-1, Khu cfing nghiep Tay Bac Cu Chi, xñ Tan An Hoi, TP.HCM

    Headqt1art,er offi,ce.. Lot. BI-1, North West Cu Chi InJtistrial Zone, Tan An Hoi Commune, HCMC.

    - Dim thoqi/Ref. : ( 84,276) 388 7565 Fax: (+84.27ti) 3811 75titi

  • Nguñi thu'c hien cñng bo thong tin. Diang Trieu Hña - Chic vu: Chu tich HDQT

    Spokesman: Dang Trieu Hoa - Title.' Chairman of the BOD

  • Loai thong tin cfing bñ/type of information disclosure:

B dinh k"y/periodic D bat thiiérng/irregular D 24h/2# hours D theo yéu cau/on demand

Ngi dung thñng tin cong bo/Contents ofinformation disclosure:

  1. Bao cao tai chinh riéng va bao cao tai chinh hpp nhat Q3.2025 (ban tiéng viet va ban tiéng anh)

    Separate and consolfdatedfinancial statements Q3.2025 (English version and Vietnamese version)

  2. Giai trinh chénh lech lii nhuan Q3.2025 so vñi cung ky

Explanation ofProfit differences Q3.2025 year-over-year

Thfing tin nñy 6fi duoc cñng bo trén trnng thfing tin dion tâ cun cfing ty vao ngayo /10/2025 tai dir0ng dan: https://thekv.vn

This information was published on the Company 's v ehsite on 110/2025 at the link. turns.//thekv.vn

TSi cam ket c£c thong tin csng bo trén day la dung str that va holn toan ch|u trach nhiem triréc phâp luat ve nioi dung cac thong tin dñ cfing bfi./

II^e hereby Jeclai'e to be i'espoiisible for' the accuracy ancl completetiez' ' of the ahove itifotvtialiutt.

Tâi lieu dinh kém/Attachments

- 'lâi lieu lién quan den vipc C'B'1"1'.

Documents related to the information disclosure.

DAI DIEN TO CHC*C/ONBAZfAZF OF rHA COMPANY

NGO DAI DIEN THEO PHAP LU CAT

LEGAL REPRESS VTA TIVE


CHU TICH HDQT/CZZ4JAlf.4N OF THE BOD .

CO PHAN

-TP.

$U HOA



CONG TY CA PHEN SRI THE KY

CENTURY SY'NTHETIC FIBER CORPORATIO'N

SOCIALIST REPUBLIC OF VIETNAM Independence - Freedom - Happiness

No.' -25/CV-CTTK

Ho Chi Minh City, October 24, 2025.

Re: Explanation of profit fluctuations between the two reporting periods.

To:

» State Securities Commission.

  • Ho Chi Minh City Stock Exchange (HOSE)

Century Synthetic Fiber Corporation hereby provides an explanation for the fluctuation in after-tax profit for Quarter III of 2025 compared to Quarter III of 2024, as presented in the VAS financial statements prepared by the Company on October 24, 2025, as follows:

+ Parent Company:

a e II 202 1 2024 Inc e e (+ De ea e



Unit: VND

vNaen

e

319,396,699

307,183,428,

12,213,271,367J

4 0°

G

s pro t

75,229,03

51,975,008

|

23,254,028,7a

44 7°

Profit before taxi

,352 268 379

44,085,60l,8tl2JJ

12,266,666,577

7 8°

a er

44,335,023

42,659,819,5

l,675,204,44J

+ Consolidated:

Unit: VND



No

| Item

e II 2025 e II 2024 In rea e ( ) e re e )

1

|Net revenue

ss

318 955 28 7 307 183 42 6 11 771 859 49 3 °

72 893 189 541 51 975 008 0 0 20 918 181 50 40 •

2

3

P ofi before ta Net p fit a er tax

22 968 132 57 83 222 36 86 (60 254 33 286) .4%

10,352,546 81,796,5 (71,444,036,9 7 3'J

4



s ‹

Reasons: '

The Parent Company's net revenue and consolidated revenue increased insignificantly. The Parent Company's gross profit rose by VND 23.2 billion, equivalent tu an inci'ease of 44.7%, and the consolidated gross profit increased by VND 20.9 billion, equivalent to an increase of 40.2% compared to the same period, mainly due to a decrease in the proportion of cost of goods sold.

The Parent Company's profit before tax increased by VND 12.2 billion, equivalent to a rise of 27.8% year-on-year, primarily driven by higher gross profit; profit after tax increased by VND 1.67 billion, equivalent to an increase of 3.9% year-on-year, mainly due to higher gross profit and an increase in corporate income tax expenses compared to the same period.





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OT: (+64.6) 3790 7565, (+84,66) 389 S537 Fax: (+b4.d) J/9tJ /t›66; (*b4 6ti) ñd6 g63b - Email: century@hem.vnn.vn, csf@century.vn * Website. https://www.theky vn

•v

CENTURY SYNTHETIC FIBER CORPORATION



The consolidated profit before tax decreased by VND 60.2 billion, equivalent to a decline of 72.4% year-on-year; profit after tax decreased by VND 71.4 billion, equivalent to a decrease of 87.3%, mainly due to the impact of exchange rate fluctuations.

Centu S nthetic Fiber Corporatis•.z

.9

]BClosure Officer

CA PHAN

ski

A

Ensox

HOA



We sincerely thank you and extend our best regards.

Recipients:

  • SSC, HOSE;

  • Company Website;

  • Office archives.







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TM sé': B1-1 KCN Tây Bâc Cii Chi, Huyen Cd Chi, Tp.HCM, Viét Nam *Chi nts4nh: Du'éng s0 8, KCN Trâng Bang, Huyén Trâng Bang, Tinh Tây Ninh, Vié! Nan OT: (+d4,8) 3790 7565; (+84.66) 386 5537 •Fex: {+84.8) 3790 7566; (+B4.66) 3g9 9536 Emafl: century@hem vnn.vn, csf@century.wt' Website: www theky vn



Century Synthetic Fiber Corporation Separate Financial Statement September 30, 2025

Century Synthetic Fiber Corporation

TABLE OF CONTENTS

General information

Report of the Board ofManagement Separate Balance Sheet Quarter III.2025 Separate Income Statement Quarter III.2025 Separate Cash Flow Quarter III.2025

Notes to the Separate Financial Statements for Quarter III.2025

Page

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4 - 6

7 - 8

9 - 10

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