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2/24/2017 new driver models for direct download:521
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Casio Qv-3ex 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Casio Qv-3ex
Certifications for Casio Qv-3ex
5 stars for Casio Qv-3ex "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 2/24/2017 Updates

All drivers on semantic.gs are updated on daily basis.

However, a new version of Casio Qv-3ex might have been uploaded since our last site update.

Casio Qv-3ex Driver Download

Windows Compatibility for Casio Qv-3ex driver

Casio Qv-3ex Driver Details:

Casio Qv-3ex File Name: casio_qv-3ex.zip

Casio Qv-3ex Driver Version: 316Y9

Casio Qv-3ex ZIP Size: 113.kb

Manufacturer: Casio

Casio Qv-3ex was fully scanned at: 2/20/2017
Scan Status: driver download scanOK

Casio Qv-3ex special revision for: Windows 8 64 bit, Windows XP Professional x64 Edition 64 bit, Windows XP Media Center Edition 2004 32 bit, Windows XP Tablet PC Edition 64 bit, Windows 7 Professional 64 bit, Windows XP Home Edition, for home desktops and laptops 32 bit, Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0) 64 bit, Windows Vista Business 32 bit

Casio Qv-3ex Download Stats:

Driver Uploaded: 2/18/2017

Direct Downloads: 966
Most Recent Download: 2/22/2017
Managed Downloads: 5513
Most Recent Download: 2/22/2017
Download Mirrors: 3
Current Delay: 30 Seconds
Driver License: General Public License

Direct Download Success Stats:

Reports Issued By 857/966 Users

Success Reported By 234/857 Users

Driver Download Score65/100

Driver Installation Score67/100

Overall preformance Score68/100

Casio Qv-3ex 109 Thumbs Up109Thumbs
Up
Casio Qv-3ex 29 Thumbs Down29Thumbs
Down
Casio Qv-3ex driver direct download was reported as adequate by a large percentage of our reporters, so it should be good to download and install.

Installation Manager Success Stats:

Reports Issued By 5299/5513 Users

Success Reported By 4663/5299 Users

Driver Download Score78/100

Driver Installation Score92/100

Overall preformance Score83/100

Casio Qv-3ex 4409 Thumbs Up4409Thumbs
Up
Casio Qv-3ex 427 Thumbs Down427Thumbs
Down
Casio Qv-3ex driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.

DOWNLOAD OPTIONS:

1. Direct Download

Select your OS and press "Download".

This option requires basic OS understanding.
Select Your Operating System, download zipped files, and then proceed to
manually install them.
Recommended if Casio Qv-3ex is the only driver on your PC you wish to update.

 

2. Driver Installation Manager

This option requires no OS understanding.
Automatically scans your PC for the specific required version of Casio Qv-3ex + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Casio Qv-3ex, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

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Casio Qv-3ex may sometimes be at fault for other drivers ceasing to function

These are the driver scans of 2 of our recent wiki members*

*Scans were performed on computers suffering from Casio Qv-3ex disfunctions.

Scan performed on 2/24/2017, Computer: Panasonic CF-W4GWPAXP

Outdated or Corrupted drivers:5/20

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
ELAN SMBus Intel(R) ICH8 Family SMBus Controller - 283EOutdated
Mice And Touchpads
Wacom Wacom Mouse MonitorUp To Date and Functioning
Wacom Wacom Mouse MonitorUp To Date and Functioning
Usb Devices
Vimicro Periferica USB compositaUp To Date and Functioning
Sound Cards And Media Devices
ASUSTek ASUSTeK Tiger Capture DeviceUp To Date and Functioning
Realtek AzureWave AW-CA100/100DOutdated
Network Cards
Atheros Atheros L1 Gigabit Ethernet 10/100/1000Base-T ControllerOutdated
Keyboards
Microsoft Keyboard Device FilterCorrupted By Casio Qv-3ex
Hard Disk Controller
Intel(R) 8 Series Chipset Family SATA AHCI ControllerUp To Date and Functioning
Others
National IrDA Fast Infrared PortUp To Date and Functioning
Validity Sensors Validity Sensors (WBF) (PID=0018)Up To Date and Functioning
Broadcom ThinkPad Bluetooth 4.0Up To Date and Functioning
Creaform NEC OHCI Compliant IEEE 1394 Host ControllerUp To Date and Functioning
Toshiba Toshiba Secure Digital-HostcontrollerUp To Date and Functioning
Cameras, Webcams And Scanners
Importek USB Composite DeviceUp To Date and Functioning
Video Cards
Intel(R) 82945G Express Chipset Family (Microsoft Corporation - WDDM 1.0)Corrupted By Casio Qv-3ex
Input Devices
Lenovo Lenovo 800dpi ScrollPoint Optical (HID)Up To Date and Functioning
Port Devices
hspa Modem Application2 port (COM5)Up To Date and Functioning
Monitors
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 2/24/2017, Computer: IBM 622351U

Outdated or Corrupted drivers:6/20

Device/DriverStatusStatus DescriptionUpdated By Scanner
Motherboards
Intel(R) 5520/5500/X58 I/O Hub System Management Registers - 342ECorrupted By Casio Qv-3ex
Mice And Touchpads
Microsoft Microsoft USB Basic Optical Mouse (IntelliPoint)Outdated
Usb Devices
Intel(R) ICH10 Family USB Universal Host Controller - 3A69Up To Date and Functioning
Sound Cards And Media Devices
ASUSTek ASUS TV7134 WDM TVTuner (FM1216ME)Up To Date and Functioning
Hauppauge Multimedia Video ControllerUp To Date and Functioning
Philips Philips SAA713X, Hybrid Capture DeviceUp To Date and Functioning
Network Cards
Ralink 802.11bgn 1T1R Mini Card Wireless AdapterUp To Date and Functioning
Keyboards
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
NVIDIA NVIDIA nForce 430/410 Serial ATA ControllerUp To Date and Functioning
Others
Intel Intel(r) AIM External Flat Panel Driver 0Corrupted By Casio Qv-3ex
Intel Intel(r) AIM External Flat Panel Driver 3Up To Date and Functioning
Broadcom ThinkPad Bluetooth 4.0Up To Date and Functioning
Panasonic MATSHITA DVD-RAM UJ-830SaCorrupted By Casio Qv-3ex
Intel Intel(r) AIM External TV Encoder Driver 1Up To Date and Functioning
Cameras, Webcams And Scanners
Canon CanoScan 3200/3200FOutdated
Video Cards
ATI RADEON X300 Series SecondaryUp To Date and Functioning
Input Devices
KME Dispositivo de interfaz humana USBUp To Date and Functioning
Port Devices
D-Link USB Single PortUp To Date and Functioning
Monitors
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIACorrupted By Casio Qv-3ex
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Casio Qv-3ex R41.16462/16/201512/28/2016casio_qv-3ex-r41.1646.exe217kbNEC PC-VJ25AEZ78, HP LX909ES#ABZ, HP VG123AA-ABF p6127f, Fujitsu PRIMERGY TX300 S3, EMachines M5300 Series, MSI MS-9A45, Omni OTS-8100SD02815, IBM System x3200 M3 -[732754M, Sony VGN-NS21SR_S, WIPRO WSG37425W7-0012, Fujitsu ESPRIMO E5731, Sony VGN-SR25T_P, IBM ThinkCentre A52, ECS 331, and more.
Casio Qv-3ex 2.1391.1712/22/201412/28/2016casio_qv-3ex-2.1391.17.exe51kbPackard Bell Imedia S3250, Compaq EJ284AA-ABF SR1622FR FR540, IBM ThinkPad Z60t, HP WC812AA-ABV HPE-130me, LG LW20-13DT, HP KY731AA-AKL a6784l, NEC PC-MY26RAZ77S96, HP HP Compaq 6530b, Compaq DM174A-ABA S5300NX NA311, HP Presario R3200, HP H9-1050sc, Gateway FX6800, Sony VGN-CS26G_C, SAMSUN M2410, NEC PC-VY25AAZ7A, Gateway 6840, Toshiba SATELLITE C850-1P6, Sony VGN-CR21E_W, and more.
Casio Qv-3ex 3387411/13/201412/30/2016casio_qv-3ex-33874.exe163kbHP P7-1102, HP VC758AA-ABZ p6120it, NEC PC-MY26LEZ78, Gateway T-1620, Compaq GS255AV-AB4 SR5211CF, HP DX2400, Zoostorm 7876-0310B, ASUS P5K-VM/S, Sony VGN-TT250N, IBM IBM System X3100 M4 -[2582Z6H, HP RK570AAR-ABA m7760, Fujitsu D2812-A1, HP HP EliteBook 2730p, and more.
Casio Qv-3ex F38033/6/201512/27/2016a-f3803.exe53kbIBM Eserver xSeries 235 -[86716BG, Sony VGN-NW21EF_S, DIXONSXP Philips Freevents, Lenovo 20ARA024KR, ASUS P5K-VM/S, Acer Aspire 9110, Sony VGN-K30, HP HP Compaq nc4010, Compaq EL445AA-ABA SR1750NX NA651, Gigabyte 7GEWH, LG X110-L.A7SPE, Panasonic CF-SX1WEVHR, NOVATECH MBB-44308D, and more.
Casio Qv-3ex 70431.12/28/201512/28/2016casio_qv-3ex-70431.1.exe66kbGigabyte 7GEWH, Sony PCG-Z1WAMP, Toshiba SATELLITE C855-11C, Lenovo 3484 - DBG, HP P6-2393l, Packard Bell IMEDIA H7653, Sony VGN-FW26G_B, Sony VGN-NS21ER_S, HP KY787AA-AKL p6172l, HP PS139AA-ABX a710.fi, Compaq PJ688AV-ABA SR1005T NA440, Sony VPCW221AX, Fujitsu CELSIUS M730powe, and more.
Casio Qv-3ex 801.1948/25/201412/28/2016casio_qv-3ex-801.194.exe185kbSony VGC-JS4EF_S, IBM 622138G, HP KJ325AA-ABG a6440a, NEC PC-VL150GS, Fujitsu FMVXN6EG2Z, Sony SVE11139CJB, Shuttle SB62V10, Panasonic CF-S10DVCDP, Compaq AY552AA-AB5 CQ3118HK, Compaq FJ403AA-AB9 SR5502PT, IBM 2668VMY, Dell TT 3421, Lenovo ThinkCentre M92, HP P6-2485eo, Sony SVE15117FJB, HP HP EliteBook 8460p, and more.
Casio Qv-3ex Y4308210/30/201412/28/2016casio_qv-3ex-y43082.exe124kbHP DK320A-ABA A206X, ASUS Z9PE-D16 Series, Sony VGN-FE17SP, MSI MS-9818, Lenovo ThinkCentre M75e, NEC PC-MK33LBZCE, Panasonic CF-53AACZYFT, Sony SVT1113AJE, Sony VGN-NW250D, Sony VGN-NW250D, Dell Inspiron 3531, LG R200-R.CP55R, WIPRO WSG37425V-0054, Toshiba SATELLITE C55-A-128, Toshiba Satellite C660-2KF, IBM 265244G, Open Labs Neko/Miko, HP P8601A-ABU 722, Packard Bell IPOWER X9075, and more.
Casio Qv-3ex 1.1372.181/17/201512/28/2016casio_qv-3ex-1.1372.18.exe78kbAdvantech UNO-2178A, Sony VPCF136FX, Sony VGC-LA83DB, NEC PC-LL708WJ01B, Toshiba SATELLITE C870D-10D, HP GN693AAR-ABA m9058, Gateway GT5652j, IBM 2389QU2, Packard Bell IXtreme X9702, WIPRO WSG37555W7-0288, Advantech UNO-2178A, and more.
Casio Qv-3ex R404729/21/201412/29/2016casio_qv-3ex-r40472.exe95kbHP PS282AA-ABZ m1280.it, NEC PC-VJ26MLZCB, KONTRON 886LCD-M/Flex, Gateway MX7337H, Fujitsu FMVNFC60H, Sony SVF14N13CLS, Compaq AY552AA-AB5 CQ3118HK, Fujitsu CELSIUS H265, Sony VGN-SZ1XP, Dell PowerEdge SC1420, Fujitsu ESPRIMO E5916, Sony VGN-FW53GF_W, IBM IBM System x3400 M3 Server -[7379Z7X, Lenovo 9439Y5B, ASUS G70Sg, and more.
Casio Qv-3ex 1.102.1421/26/201512/28/2016casio_qv-3ex-1.102.142.exe36kbLenovo 6072Y76, HP NC214AA-UUW a6730sc, HP EC651AA-ABY t3170.dk, LG P1-J433R1, HP KQ260AA-AC4 a6540b, Panasonic CF-52JE202NW, NEC PC-LL750WG1JB, IBM 23745U9, Sony VGN-CS60B_Q, Gateway J6452, and more.
Casio Qv-3ex 733229/1/201412/29/2016casio_qv-3ex-73322.exe200kbHP HP Pavilion dv6000, HP P7-1040be, NEC PC-BL550DS6W, HP AY020AA-ABL p6320f, LG B55MS.ARB4B1K, ECS HDC-I, LG R580-U.APC3BA9, Acer AS5320, Fujitsu FMVNFC50WG, Sony PCG-K215M, and more.
Casio Qv-3ex 1.1302.161/26/201512/27/2016casio_qv-3ex-1.1302.16.exe47kbHP H9-1050sc, Gateway FX6800, Sony VGN-CS26G_C, SAMSUN M2410, NEC PC-VY25AAZ7A, Gateway 6840, Toshiba SATELLITE C850-1P6, Sony VGN-CR21E_W, IBM 813135U, SAMSUN 305U1A/305U1A, Toshiba DynaBook G6C/X18CME, Dell Vostro 5470, Compaq EG735AA-ABH SR1560NL NL530, NEC PC-MT6005A, Lenovo ThinkPad T61p, Toshiba DynaBook V7, and more.
Casio Qv-3ex 2.101.12/9/201512/30/2016casio_qv-3ex-2.101.1.exe133kbSony VGN-NS38M_W, Packard Bell EasyNote TR83, Sony SVF15N1B4E, Sony VGN-SZ55_B, HP PX568AA-ABY t3040.dk, NEC PC-LL750HG3E, NEC PC-MJ28VHZEJ, Fujitsu FMVNX95SD, IBM 2389QU2, HP Compaq nx9110, Toshiba PT10ABX, Gateway 6840, HP HP EliteBook 8560w, HP S5770uk-m, Sony VPCM126AA, Lenovo ThinkPad X200s, Fujitsu FMVNFC60H, NEC VERSAE6300 RNF41137188, and more.
Casio Qv-3ex D6020012/29/201412/30/2016casio_qv-3ex-d60200.exe160kbSony VGN-G11XRN_B, Sony VGN-CR260F, Lenovo ThinkCentre M82, Dell PowerEdge C8220, HP G5317de, Gateway P-7803h, IBM 2647A5G, IBM 2668G7U, Fujitsu Amilo A1665G Series, Panasonic CF-N9LWRJDS, Lenovo 1024AMU, Dell PowerEdge 4600, ZEPTO Znote 6515WD, Toshiba Dynabook TX/65DJ, HP KJ439AA-AB2 g3328cx, Sony SVT21213CXB, LG R580-U.APD1WT, and more.
Casio Qv-3ex 631.1022/10/201512/28/2016casio_qv-3ex-631.102.exe32kbASUS BM5220, Sony VGN-P45GK_W, Dell PowerEdge R220, Fujitsu FMVXD4NJ4Z, Lenovo ThinkPad T510i, NEC PC-MY24RAZ75, IBM 184469U, Sony VGN-NS25G_S, NEC PC-VY20AED5MFA5, AnabelleB Pedra BA10, Sony VPCF13BFX, and more.
Casio Qv-3ex R320910/2/201412/28/2016casio_qv-3ex-r3209.exe178kbToshiba SATELLITE C55-A-1NG, HP HP Compaq 6715b, Panasonic CF-W8FWDAJR, IBM 682342G, Panasonic CF-52JE202NW, Leading Edge LECC2600, MSI GT60 2OJWS, Acer Predator G5900, Sony VPCEC390X, Gigabyte M1028E, and more.
Casio Qv-3ex 83211/15/201412/29/2016casio_qv-3ex-832.exe64kbCompaq DT176A-ABE S5320ES ES340, IBM 622142A, IBM 2373B37, Dell Studio 1557, IBM 18445GU, HP KZ692AA-ABU m9373.uk-a, IBM 84822RU, MAXDATA ECO4700IW, HP FR546AA-ABE a6653es, ASUS C90S, HP GU519AA-UUW a6233.sc, Lenovo 20AA000SUS, HP P6721f, Acer Veriton 5800FX, IBM 81838HJ, Packard Bell EASYNOTE MV86, and more.
Casio Qv-3ex 21.169910/3/201412/29/2016casio_qv-3ex-21.1699.exe192kbIBM 26721LG, IBM 2652P5U, HP P6786l, Compaq VT606AA-AKL CQ3275L, MAXDATA PLATINUM 100 I M5, Sony VGN-SR190P, Toshiba Satellite A200-12X, Compaq ER100AA-ABA SR1625NX NA541, HP KJ417AA-AB4 s3480d, Sony VPCEH3T9E, Gateway P-171X FX, HP PX569AA-ABY w5080.dk, MSI MS-1727, LG E300-A.C28BC1, Packard Bell Ixtreme M5741, and more.
Casio Qv-3ex 41.18079/11/201412/27/2016p-41.1807.exe123kbIBM 2373WMV, IBM 81387HG, Compaq FR604AA-ABF SR5529FR, HP NM920AA-ABU m9639uk, LG LS50-A514ZL, NEC PC-LL750NSB-YC, Anhoch Goliath XD630, MiTAC 9008D, Samsung 900X3F, Toshiba SATELLITE PRO L770-12P, Dell PowerEdge R220, IBM 815772G, Fujitsu PRIMERGY TX150, HP HP Pavilion DV6-3206AX, HP Pavilion G70-457CA, Toshiba Satellite L650D, HP Presario V2000, HP DC484A-ABA 894C, Sony VGN-FW5ZRF_H, and more.
Casio Qv-3ex 6320311/6/201412/28/2016u-63203.exe61kbLenovo ThinkCentre M58e, Sony VPCCB46EC, HP ES131AA-UUZ t3415.ch, HP HP 2000-425NR, HP HDX9300, IBM System x3200 M3 -[7328AC1, Compaq Evo N610c, Fujitsu FMVFB70NT, IBM 23739HG, IBM IBM System x3500 M3 Server -[7380AC1, and more.
Casio Qv-3ex L3286412/18/201412/27/2016casio_qv-3ex-l32864.exe21kbAdvent DT1404, IBM 8213WCM, Gateway DX4710-UB801A, Sony VPCEG26EG, BenQ Joybook T31, HP KX634AA-ABZ a6595.it, Everex Everex StepNote SR Series, IBM 8113VW1, Lenovo 20B7S07L00, Lenovo 7373W7L, Acer Extensa 5010, LG LW40-J4JE2, and more.
Casio Qv-3ex 206401/8/201512/29/2016casio_qv-3ex-20640.exe167kbHP RK570AAR-ABA m7760, Fujitsu D2812-A1, HP HP EliteBook 2730p, Toshiba SATELLITE C870-181, Acer NC-E1-531-B9604G, Acer ASPIRE1420P_MSFT, Toshiba SATELLITE U50-A, Fujitsu FMVL18B, ASUS VX5, Panasonic CF-74KCJDZAM, Toshiba Dynabook T552/58HRJ, IBM 8212W4R, SYX SYX-DP67BG-Extreme, Fujitsu FMVNFD75RG, HP VN310AA-UUG HPE-020be, LG K1-337AB1, Compaq FQ552AA-ABA SR5616F, and more.
Casio Qv-3ex 43422.111/25/201412/29/2016casio_qv-3ex-43422.1.exe48kbLenovo 20188, KBS 7Eve, HP HP Pavilion zt3000, LG X140-A.AS11B1, CdcPointSpa CX-7592, Lenovo 9622W4D, Sony VGN-SZ55B_B, HP Presario V3000, Samsung 200B4Z/S01TH, Fujitsu ESPRIMO P510, IBM ThinkPad T30, IBM ThinkCentre M51, HP FK558AAR-ABA a6604f, Fujitsu FMV5NUBKH8, Acer P4LJ0, Acer AS5320, Packard Bell EasyNote LM83, and more.
Casio Qv-3ex B1.133702/7/201512/28/2016casio_qv-3ex-b1.13370.exe25kbToshiba SATELLITE C850-16W, Sony VGN-Z91DS, Gateway T-1620, Gateway Gateway M460, MSI MB-7529, Intel LM1WN, Sony VGN-NS255J, Dell Vostro 3555, HP DY149A-ABU t540.uk, HP DX442AV, and more.
Casio Qv-3ex 326279/1/201412/30/2016casio_qv-3ex-32627.exe87kbToshiba PSK1SE-005002GR, LG R490-K.ARCWE1, Panasonic CF-W2FW6AXR, Epson Endeavor MT8800, Samsung R517/R717, HP HP Pavilion dv9000 NoteBook PC, HP VG244AA-ABU p6235uk, Acer Veriton5500G-B, Lenovo 4236TKK, BenQ Joybook S32, Acer ATC-603, IBM IBM System x3500 M4 Server -[7383E1G, HP AY024AA-ABA s5360f, and more.
Casio Qv-3ex I3097810/9/201412/28/2016casio_qv-3ex-i30978.exe192kbPanasonic CF-C1BEAADR, NEC VERSAL2200 RND61058988, HP Compaq nx9040, Toshiba SATELLITE U50-A, Compaq Presario 1201EA 470019-012, IBM 6218Z1H, Dell Dimension 9100, IBM 2647A5G, Acer Veriton 5800FX, Fujitsu FMVD7BF010, Sony VGN-TZ240N, NEC PC-LG24NRBEL, Lenovo ThinkPad X230 Tablet, Compaq PW750AA-ABF SR1428FR FR520, Motion J3400, Fujitsu FMVXN16A2Z, Sony PCG-Z1WAMP, and more.
Casio Qv-3ex O84061.11/8/201512/29/2016casio_qv-3ex-o84061.1.exe168kbHP HP Compaq 7900, HP HP Pavilion dv5000 ES248EA#ABD, Acer TravelMate 5740G, Lenovo 3000 V100 Notebook, HP HP Pavilion dv9000, Sony VGN-TZ27GN_B, Lenovo ThinkPad X201, HP Pavilion ZV6100, HP H9-1090ch, Buympc MPC365, and more.
Casio Qv-3ex 233710/13/201412/30/2016casio_qv-3ex-2337.exe87kbLenovo ThinkCentre Edge 72, Gigabyte B85N-WIFI, HP PS347AA-B1U t875.se, Lenovo ThinkPad L530, BOXX 3DBOXX W8920, Sony SVE1413WPNB, Lenovo 20AVCTO1WW, Gateway E-9520T, Sony VPCCB2M0E, HP KY731AA-AKL a6784l, Olidata JumPC, HP HP EliteBook 6930p Notebook PC, Sony VGN-SZ61VN_X, IBM 621936U, IBM 8307KSU, HP AW012AAR-ABA p6280t, MotherBoard By ZOTAC MotherBoard H61ITX-B-E, Compaq GC668AAR-ABA SR5110NX, and more.


There is no particular operating system known to have specific problems with Casio Qv-3ex
Laptop Casio Qv-3exTablet Casio Qv-3exDownload Casio Qv-3exUpgrade Casio Qv-3exUpdate Casio Qv-3ex2017 Casio Qv-3exFree Casio Qv-3exData Casio Qv-3exInfo Casio Qv-3exHelp Casio Qv-3exGuide Casio Qv-3exComments Casio Qv-3exWindows 10 Casio Qv-3exVista Casio Qv-3exWindows 7 Casio Qv-3exInstall Casio Qv-3ex